{"sources":[{"id":"megababiesusa-com--evenflo-booster-seat-big-kid-lx-high-back-static-black:quick:source:0:listing","type":"listing","url":"https://top-stroll.myshopify.com/products.json","retrieval_at":"2026-10-18T19:37:33.814Z","source_hash":"b966f641b11a5e344c08f02d145395bfbbe62f111a5fd58de4171c5ce8e395ec","access_verdict":"permitted","robots_result":"allow"},{"id":"megababiesusa-com--evenflo-booster-seat-big-kid-lx-high-back-static-black:quick:source:1:guide","type":"guide","url":"https://top-stroll.myshopify.com/products/evenflo-booster-seat-big-kid-lx-high-back-static-black","retrieval_at":"2026-10-19T04:06:04.843Z","source_hash":"a09b0d158bba86e61d16d3f49e7eaba04e8a84985331b76b9515f4f0ea2fdd3b","access_verdict":"permitted","robots_result":"not_checked"},{"id":"megababiesusa-com--evenflo-booster-seat-big-kid-lx-high-back-static-black:quick:source:2:manual","type":"manual","url":"https://www.evenflo.com/pages/manuals","retrieval_at":"2026-10-19T04:06:31.533Z","source_hash":"812738e2efe1b9a91af288a81a3c92bb54bb8b86ebba6dc2bf8ff700613d98a7","access_verdict":"permitted","robots_result":"allow"},{"id":"megababiesusa-com--evenflo-booster-seat-big-kid-lx-high-back-static-black:quick:source:3:review","type":"review","url":"https://csftl.org/evenflo-big-kid-amp-review/","retrieval_at":"2026-10-19T04:06:42.166Z","source_hash":"47de78c690c6242d2a27a89ffbd22132c441133e42902fa340dc41a706c013de","access_verdict":"permitted","robots_result":"allow"},{"id":"megababiesusa-com--evenflo-booster-seat-big-kid-lx-high-back-static-black:quick:source:4:review","type":"review","url":"https://www.consumerreports.org/babies-kids/car-seats/evenflo-big-kid-lx/m191150/","retrieval_at":"2026-10-19T04:06:44.638Z","source_hash":"6f7ec1cbe75398d5038d31b433ee9ca3ca0a981532918901faccd967d249a3fe","access_verdict":"permitted","robots_result":"allow"},{"id":"megababiesusa-com--evenflo-booster-seat-big-kid-lx-high-back-static-black:quick:source:5:review","type":"review","url":"https://800bucklup.org/reviews/evenflo-big-kid-lx/","retrieval_at":"2026-10-19T04:06:50.713Z","source_hash":"6129551fd261287b9237ed890fc4d75cba23cfc956a01c4016f82fdd3aa7fa63","access_verdict":"permitted","robots_result":"allow"},{"id":"megababiesusa-com--evenflo-booster-seat-big-kid-lx-high-back-static-black:quick:source:6:review","type":"review","url":"https://www.babybargains.com/evenflo-big-kid/","retrieval_at":"2026-10-19T04:06:52.961Z","source_hash":"10152f8196e2670f04f6b7f88de895f24b2dcbd59ac817d88d9d1ccdef195c03","access_verdict":"permitted","robots_result":"allow"},{"id":"megababiesusa-com--evenflo-booster-seat-big-kid-lx-high-back-static-black:quick:source:7:review","type":"review","url":"https://www.car-seat.org/threads/narrowest-booster.161493/","retrieval_at":"2026-10-19T04:06:56.191Z","source_hash":"615765c86b11dd7f248c28e91b29213551e23a6556258ab4252720458106becb","access_verdict":"permitted","robots_result":"disallow"}],"summaries":[{"id":"01M596QJPW68F2T9ZFH7VJ1AWV","source_id":"megababiesusa-com--evenflo-booster-seat-big-kid-lx-high-back-static-black:quick:source:3:review","kind":"review","text":"A three-across fit worked well in a minivan's third row, where the belt retracted smoothly and stayed flat on the child's chest.","locators":{"page":"https://csftl.org/evenflo-big-kid-amp-review/"}},{"id":"01M596QK17F8YFEGSZ2P92RN05","source_id":"megababiesusa-com--evenflo-booster-seat-big-kid-lx-high-back-static-black:quick:source:3:review","kind":"review","text":"The headrest adjusts by squeezing a handle behind the top of the headrest, and every version adjusts the same way.","locators":{"page":"https://csftl.org/evenflo-big-kid-amp-review/"}},{"id":"01M596QKBS8GYSS8PG4KNFDZZG","source_id":"megababiesusa-com--evenflo-booster-seat-big-kid-lx-high-back-static-black:quick:source:3:review","kind":"review","text":"Children could buckle themselves in without much trouble, and the LX's flip-up armrests and pull-out cup holders made no difference to that.","locators":{"page":"https://csftl.org/evenflo-big-kid-amp-review/"}},{"id":"01M596QKPFMYNSNVCQJXXFWHHE","source_id":"megababiesusa-com--evenflo-booster-seat-big-kid-lx-high-back-static-black:quick:source:4:review","kind":"review","text":"Consumer Reports' lab assessment praises very good belt fit in highback mode and excellent labels and instructions, giving an overall score of 63 out of 100.","locators":{"page":"https://www.consumerreports.org/babies-kids/car-seats/evenflo-big-kid-lx/m191150/"}},{"id":"01M596QM0QKWC9985B824AENB9","source_id":"megababiesusa-com--evenflo-booster-seat-big-kid-lx-high-back-static-black:quick:source:4:review","kind":"review","text":"Testers found the shoulder belt can bind in the belt guide, sometimes leaving slack in the belt.","locators":{"page":"https://www.consumerreports.org/babies-kids/car-seats/evenflo-big-kid-lx/m191150/"}},{"id":"01M596QMAYXJ19SZD347AAR57Q","source_id":"megababiesusa-com--evenflo-booster-seat-big-kid-lx-high-back-static-black:quick:source:4:review","kind":"review","text":"Scored 4 of 5 for booster fit with the back, 3 of 5 without the back, 4 of 5 for ease of use, and passed the structural integrity crash check.","locators":{"page":"https://www.consumerreports.org/babies-kids/car-seats/evenflo-big-kid-lx/m191150/"}},{"id":"01M596QMN6PN1VBKWD7NZ65WYQ","source_id":"megababiesusa-com--evenflo-booster-seat-big-kid-lx-high-back-static-black:quick:source:4:review","kind":"review","text":"The model is not in active testing, so the published score may rest on older test methods.","locators":{"page":"https://www.consumerreports.org/babies-kids/car-seats/evenflo-big-kid-lx/m191150/"}},{"id":"01M596QMZFVMYSV1NE7RT169YS","source_id":"megababiesusa-com--evenflo-booster-seat-big-kid-lx-high-back-static-black:quick:source:5:review","kind":"review","text":"Reported to meet and exceed US federal car seat standards, with side impact protection and energy-absorbing foam in the shell.","locators":{"page":"https://800bucklup.org/reviews/evenflo-big-kid-lx/"}},{"id":"01M596QN9R6KSHE6HA8S909437","source_id":"megababiesusa-com--evenflo-booster-seat-big-kid-lx-high-back-static-black:quick:source:5:review","kind":"review","text":"The seat pad is described as removable, wipe-clean and machine washable, making maintenance easy.","locators":{"page":"https://800bucklup.org/reviews/evenflo-big-kid-lx/"}},{"id":"01M596QNM2QAGYDBTP69ZRDZFF","source_id":"megababiesusa-com--evenflo-booster-seat-big-kid-lx-high-back-static-black:quick:source:5:review","kind":"review","text":"The fabric is described as soft against the skin and the padding as reducing the feeling of being restricted.","locators":{"page":"https://800bucklup.org/reviews/evenflo-big-kid-lx/"}},{"id":"01M596QNYE4VE6CZS0JTBCG19T","source_id":"megababiesusa-com--evenflo-booster-seat-big-kid-lx-high-back-static-black:quick:source:5:review","kind":"review","text":"Called easy to move between cars because of its light weight, but the seat cannot be used on a plane because it is not FAA compliant.","locators":{"page":"https://800bucklup.org/reviews/evenflo-big-kid-lx/"}},{"id":"01M596QP9VGE2AW55HH3K240AQ","source_id":"megababiesusa-com--evenflo-booster-seat-big-kid-lx-high-back-static-black:quick:source:5:review","kind":"review","text":"Common criticisms listed are the absence of lower anchors, modest support and no aircraft use.","locators":{"page":"https://800bucklup.org/reviews/evenflo-big-kid-lx/"}},{"id":"01M596QPN28PXJK6D9K81MA4KB","source_id":"megababiesusa-com--evenflo-booster-seat-big-kid-lx-high-back-static-black:quick:source:6:review","kind":"review","text":"The Insurance Institute for Highway Safety rated the highback LX 'check fit' and the no-back version 'Best Bet'; a five-star government ease-of-use rating is also cited for the LX only.","locators":{"page":"https://www.babybargains.com/evenflo-big-kid/"}},{"id":"01M596QPZCVTR2214ZKVAMKM83","source_id":"megababiesusa-com--evenflo-booster-seat-big-kid-lx-high-back-static-black:quick:source:6:review","kind":"review","text":"The LX, DLX, Sport and Advanced versions are described as discontinued, differing mainly in padding and fabric, and reader feedback on the seat is summarised as positive.","locators":{"page":"https://www.babybargains.com/evenflo-big-kid/"}},{"id":"01M596QQAQD87NC8VZMN4H373R","source_id":"megababiesusa-com--evenflo-booster-seat-big-kid-lx-high-back-static-black:quick:source:7:review","kind":"review","text":"Owners call the LX fairly narrow, and note its cup holders slide back into the seat so they add no extra width when not in use.","locators":{"page":"https://www.car-seat.org/threads/narrowest-booster.161493/"}}],"facts":[{"id":"01M596QQNTDZ1RTJ8SW4F6GP7Y","source_id":"megababiesusa-com--evenflo-booster-seat-big-kid-lx-high-back-static-black:quick:source:0:listing","field":"modes of use","ordinal":0,"value_number":null,"unit":null,"value_text":"The seat is a high-back booster that converts to a no-back booster when the child is ready.","original_value":"Once they are ready, the back removes for a no-back booster .","confidence":0.9,"citation":{"lineage_tier":"T1","artefact_id":"megababiesusa-com--evenflo-booster-seat-big-kid-lx-high-back-static-black:quick:source:0:listing:artefact:b966f641b11a5e344c08f02d145395bfbbe62f111a5fd58de4171c5ce8e395ec","start":691,"end":752,"summary_id":null,"excerpt_id":null,"span_sha256":"dc7db9d98b21a323bd9c23c70175c96aa03937369c30445d3ffcc91afb096b76","source_locator":"characters 691 to 752 of the retained text"}},{"id":"01M596QR0427VCFYR6SXG9X3JT","source_id":"megababiesusa-com--evenflo-booster-seat-big-kid-lx-high-back-static-black:quick:source:1:guide","field":"age and size limits","ordinal":0,"value_number":null,"unit":null,"value_text":"Sources disagree: the store lists 40–110 lb or 40–57 inches tall, while Consumer Reports and the Safety Restraint Coalition list 30–110 lb for highback mode and 40–110 lb for backless mode.","original_value":"Suitable for children 40-110 lbs. or 40-57 inches tall.","confidence":0.95,"citation":{"lineage_tier":"T1","artefact_id":"megababiesusa-com--evenflo-booster-seat-big-kid-lx-high-back-static-black:quick:source:1:guide:artefact:a09b0d158bba86e61d16d3f49e7eaba04e8a84985331b76b9515f4f0ea2fdd3b","start":998,"end":1053,"summary_id":null,"excerpt_id":null,"span_sha256":"ccef4a8d820886687203abab7a025cc34b8d615feb129ab2e5855941b96ed7ff","source_locator":"characters 998 to 1053 of the retained text"}},{"id":"01M596QRBJDHJNBTGRPN49S7JC","source_id":"megababiesusa-com--evenflo-booster-seat-big-kid-lx-high-back-static-black:quick:source:2:manual","field":"manual","ordinal":0,"value_number":null,"unit":null,"value_text":"Evenflo's downloadable manuals cover only current-year models and owners are told to check the manufacture date and contact Evenflo for the instructions for their model year.","original_value":"Please verify the date of manufacture on your product and contact Evenflo at 1-800-233-5921 to obtain the instructions created specifically for your product’s model and manufacturing year.","confidence":0.85,"citation":{"lineage_tier":"T1","artefact_id":"megababiesusa-com--evenflo-booster-seat-big-kid-lx-high-back-static-black:quick:source:2:manual:artefact:812738e2efe1b9a91af288a81a3c92bb54bb8b86ebba6dc2bf8ff700613d98a7","start":641,"end":829,"summary_id":null,"excerpt_id":null,"span_sha256":"ca540c8bfb57b1816d5142d8baa022ddc0c29aad657a54f6ff842a3f45d8e612","source_locator":"characters 641 to 829 of the retained text"}},{"id":"01M596QRNT5WM6M6AFQNPTGDTE","source_id":"megababiesusa-com--evenflo-booster-seat-big-kid-lx-high-back-static-black:quick:source:4:review","field":"lab verdict","ordinal":0,"value_number":null,"unit":null,"value_text":"Consumer Reports' lab assessment praises very good belt fit in highback mode and excellent labels and instructions, giving an overall score of 63 out of 100.","original_value":"Consumer Reports' lab assessment praises very good belt fit in highback mode and excellent labels and instructions, giving an overall score of 63 out of 100.","confidence":0.7,"citation":{"lineage_tier":"T2","artefact_id":null,"start":null,"end":null,"summary_id":"01M596QKPFMYNSNVCQJXXFWHHE","excerpt_id":null,"span_sha256":"7b0a32a4a9f39a5bb8917fa6ed82c27b6da080eef8267e10c91b919990f60368","source_locator":null}},{"id":"01M596QS0ASQYJ8DBQHF0GXV66","source_id":"megababiesusa-com--evenflo-booster-seat-big-kid-lx-high-back-static-black:quick:source:5:review","field":"safety claims","ordinal":0,"value_number":null,"unit":null,"value_text":"Reported to meet and exceed US federal car seat standards, with side impact protection and energy-absorbing foam in the shell.","original_value":"Reported to meet and exceed US federal car seat standards, with side impact protection and energy-absorbing foam in the shell.","confidence":0.7,"citation":{"lineage_tier":"T2","artefact_id":null,"start":null,"end":null,"summary_id":"01M596QMZFVMYSV1NE7RT169YS","excerpt_id":null,"span_sha256":"d4e62262ea8c66f29ca1c065761e5bd6e71d488ac9a837d3a0b031feda3d901e","source_locator":null}},{"id":"01M596QSC3XVW709RKHASEERZG","source_id":"megababiesusa-com--evenflo-booster-seat-big-kid-lx-high-back-static-black:quick:source:7:review","field":"width","ordinal":0,"value_number":null,"unit":null,"value_text":"Owners call the LX fairly narrow, and note its cup holders slide back into the seat so they add no extra width when not in use.","original_value":"Owners call the LX fairly narrow, and note its cup holders slide back into the seat so they add no extra width when not in use.","confidence":0.7,"citation":{"lineage_tier":"T2","artefact_id":null,"start":null,"end":null,"summary_id":"01M596QQAQD87NC8VZMN4H373R","excerpt_id":null,"span_sha256":"1cf0271d54eb8fe8520aa72c783f41ced196d7384316a4e7abecdc76fc7a27a0","source_locator":null}},{"id":"01M596QSPMP85D65AY17PA65F7","source_id":"megababiesusa-com--evenflo-booster-seat-big-kid-lx-high-back-static-black:quick:source:1:guide","field":"dimensions","ordinal":1,"value_number":null,"unit":null,"value_text":"Sources disagree on dimensions: the store lists 16.0 × 28.0 × 18.0 inches; the Safety Restraint Coalition lists 16.5 × 19 × 33 inches; Consumer Reports lists a 16-inch base width, 17-inch overall width and 33-inch overall height.","original_value":"16.0 x 28.0 x 18.0 in","confidence":0.9,"citation":{"lineage_tier":"T1","artefact_id":"megababiesusa-com--evenflo-booster-seat-big-kid-lx-high-back-static-black:quick:source:1:guide:artefact:a09b0d158bba86e61d16d3f49e7eaba04e8a84985331b76b9515f4f0ea2fdd3b","start":1074,"end":1095,"summary_id":null,"excerpt_id":null,"span_sha256":"86ea4e3553b6ed3efc07c285b34035e483f7d89b1ae88d3f9b8bac37372ed384","source_locator":"characters 1074 to 1095 of the retained text"}},{"id":"01M596QT0XWXADSGZXCQCSHHHD","source_id":"megababiesusa-com--evenflo-booster-seat-big-kid-lx-high-back-static-black:quick:source:2:manual","field":"manual languages","ordinal":1,"value_number":null,"unit":null,"value_text":"Evenflo lists a Big Kid Highback 2-in-1 belt-positioning booster manual in English, Spanish and French, but no separate Big Kid LX entry.","original_value":"Big Kid Highback 2-in-1 Belt-Positioning Booster Car Seat\nEnglish\nSpanish\nFrench","confidence":0.7,"citation":{"lineage_tier":"T1","artefact_id":"megababiesusa-com--evenflo-booster-seat-big-kid-lx-high-back-static-black:quick:source:2:manual:artefact:812738e2efe1b9a91af288a81a3c92bb54bb8b86ebba6dc2bf8ff700613d98a7","start":1886,"end":1966,"summary_id":null,"excerpt_id":null,"span_sha256":"743690c7ec9af3993d006fd120be256035586f03543c17fcdb95bc3255b9aa4a","source_locator":"characters 1886 to 1966 of the retained text"}},{"id":"01M596QTE5EKC7H47M1E9GJMRN","source_id":"megababiesusa-com--evenflo-booster-seat-big-kid-lx-high-back-static-black:quick:source:3:review","field":"three across","ordinal":1,"value_number":null,"unit":null,"value_text":"A three-across fit worked well in a minivan's third row, where the belt retracted smoothly and stayed flat on the child's chest.","original_value":"A three-across fit worked well in a minivan's third row, where the belt retracted smoothly and stayed flat on the child's chest.","confidence":0.7,"citation":{"lineage_tier":"T2","artefact_id":null,"start":null,"end":null,"summary_id":"01M596QJPW68F2T9ZFH7VJ1AWV","excerpt_id":null,"span_sha256":"9fe3229b352fc68839cd48767abbc259df438c14d2f533926b1bf2ecd2792b11","source_locator":null}},{"id":"01M596QTSDV41W3F8KQHX9QGY8","source_id":"megababiesusa-com--evenflo-booster-seat-big-kid-lx-high-back-static-black:quick:source:4:review","field":"belt guide flaw","ordinal":1,"value_number":null,"unit":null,"value_text":"Testers found the shoulder belt can bind in the belt guide, sometimes leaving slack in the belt.","original_value":"Testers found the shoulder belt can bind in the belt guide, sometimes leaving slack in the belt.","confidence":0.7,"citation":{"lineage_tier":"T2","artefact_id":null,"start":null,"end":null,"summary_id":"01M596QM0QKWC9985B824AENB9","excerpt_id":null,"span_sha256":"dbbd29da65c754eb1cc9e7804bbf1c8f5f9d67ddd48bf998aaa0a7213e59374e","source_locator":null}},{"id":"01M596QV3S8120VH2ENQZAHSGT","source_id":"megababiesusa-com--evenflo-booster-seat-big-kid-lx-high-back-static-black:quick:source:5:review","field":"cleaning","ordinal":1,"value_number":null,"unit":null,"value_text":"The seat pad is described as removable, wipe-clean and machine washable, making maintenance easy.","original_value":"The seat pad is described as removable, wipe-clean and machine washable, making maintenance easy.","confidence":0.7,"citation":{"lineage_tier":"T2","artefact_id":null,"start":null,"end":null,"summary_id":"01M596QN9R6KSHE6HA8S909437","excerpt_id":null,"span_sha256":"84305011944d0117b4c148bcf35f87019a29a7bee7339d9f008013e2aaa1b79f","source_locator":null}},{"id":"01M596QVEKNAPKAB78P2D4G8Q0","source_id":"megababiesusa-com--evenflo-booster-seat-big-kid-lx-high-back-static-black:quick:source:1:guide","field":"weight","ordinal":2,"value_number":null,"unit":null,"value_text":"Sources disagree on seat weight: the store lists 9.8 lb, Consumer Reports lists 8 lb in highback mode and 4 lb backless, and the Safety Restraint Coalition lists 8.2 lb.","original_value":"9.8 lbs.","confidence":0.9,"citation":{"lineage_tier":"T1","artefact_id":"megababiesusa-com--evenflo-booster-seat-big-kid-lx-high-back-static-black:quick:source:1:guide:artefact:a09b0d158bba86e61d16d3f49e7eaba04e8a84985331b76b9515f4f0ea2fdd3b","start":1096,"end":1104,"summary_id":null,"excerpt_id":null,"span_sha256":"13a31c9cd5ff191afe0724cc8c6f4094c085221785704bf4be419cd0d4b8ada8","source_locator":"characters 1096 to 1104 of the retained text"}},{"id":"01M596QVS7224H3X846HT6VZ1K","source_id":"megababiesusa-com--evenflo-booster-seat-big-kid-lx-high-back-static-black:quick:source:4:review","field":"scores","ordinal":2,"value_number":null,"unit":null,"value_text":"Scored 4 of 5 for booster fit with the back, 3 of 5 without the back, 4 of 5 for ease of use, and passed the structural integrity crash check.","original_value":"Scored 4 of 5 for booster fit with the back, 3 of 5 without the back, 4 of 5 for ease of use, and passed the structural integrity crash check.","confidence":0.7,"citation":{"lineage_tier":"T2","artefact_id":null,"start":null,"end":null,"summary_id":"01M596QMAYXJ19SZD347AAR57Q","excerpt_id":null,"span_sha256":"24732ce0e6d7fc6facb76dafce9a0fbb99e80aa74d3a28ed97e88ff68975bbe5","source_locator":null}},{"id":"01M596QW3FCG7K2C0ZCZ1G566T","source_id":"megababiesusa-com--evenflo-booster-seat-big-kid-lx-high-back-static-black:quick:source:5:review","field":"fabric feel","ordinal":2,"value_number":null,"unit":null,"value_text":"The fabric is described as soft against the skin and the padding as reducing the feeling of being restricted.","original_value":"The fabric is described as soft against the skin and the padding as reducing the feeling of being restricted.","confidence":0.7,"citation":{"lineage_tier":"T2","artefact_id":null,"start":null,"end":null,"summary_id":"01M596QNM2QAGYDBTP69ZRDZFF","excerpt_id":null,"span_sha256":"050b543fb3d6d1cb8e7beb69e6080ad0af93c12f8f15989d1ed4f8154c931e6f","source_locator":null}},{"id":"01M596QWEXE3DS65TVT6J29AS0","source_id":"megababiesusa-com--evenflo-booster-seat-big-kid-lx-high-back-static-black:quick:source:1:guide","field":"height adjustment","ordinal":3,"value_number":null,"unit":null,"value_text":"The headrest/back has six height positions adjusted with one hand.","original_value":"6-Position height adjustment to easily adjust the height with one hand, offering a better fit for your child as they grow.","confidence":0.95,"citation":{"lineage_tier":"T1","artefact_id":"megababiesusa-com--evenflo-booster-seat-big-kid-lx-high-back-static-black:quick:source:1:guide:artefact:a09b0d158bba86e61d16d3f49e7eaba04e8a84985331b76b9515f4f0ea2fdd3b","start":696,"end":818,"summary_id":null,"excerpt_id":null,"span_sha256":"0e389f0030e6886fc06c89393a8227a15235cda2af715e1ad47c4a7e2502fa9d","source_locator":"characters 696 to 818 of the retained text"}},{"id":"01M596QWSDCXDHJJM01ABDX5TV","source_id":"megababiesusa-com--evenflo-booster-seat-big-kid-lx-high-back-static-black:quick:source:3:review","field":"adjustment","ordinal":3,"value_number":null,"unit":null,"value_text":"The headrest adjusts by squeezing a handle behind the top of the headrest, and every version adjusts the same way.","original_value":"The headrest adjusts by squeezing a handle behind the top of the headrest, and every version adjusts the same way.","confidence":0.7,"citation":{"lineage_tier":"T2","artefact_id":null,"start":null,"end":null,"summary_id":"01M596QK17F8YFEGSZ2P92RN05","excerpt_id":null,"span_sha256":"76f20f5ef2a08873443674e5984a710b9533f8bbe539c879f855bf6ebff94f0f","source_locator":null}},{"id":"01M596QX3T4K5ND21KVW6FARXP","source_id":"megababiesusa-com--evenflo-booster-seat-big-kid-lx-high-back-static-black:quick:source:4:review","field":"test currency","ordinal":3,"value_number":null,"unit":null,"value_text":"The model is not in active testing, so the published score may rest on older test methods.","original_value":"The model is not in active testing, so the published score may rest on older test methods.","confidence":0.7,"citation":{"lineage_tier":"T2","artefact_id":null,"start":null,"end":null,"summary_id":"01M596QMN6PN1VBKWD7NZ65WYQ","excerpt_id":null,"span_sha256":"fb263118e2ff142b97a6d01a41534d44c21af43439a3cf0343b6c209ec1caebe","source_locator":null}},{"id":"01M596QXFG5D0MW127QDWSYY9Z","source_id":"megababiesusa-com--evenflo-booster-seat-big-kid-lx-high-back-static-black:quick:source:5:review","field":"portability","ordinal":3,"value_number":null,"unit":null,"value_text":"Called easy to move between cars because of its light weight, but the seat cannot be used on a plane because it is not FAA compliant.","original_value":"Called easy to move between cars because of its light weight, but the seat cannot be used on a plane because it is not FAA compliant.","confidence":0.7,"citation":{"lineage_tier":"T2","artefact_id":null,"start":null,"end":null,"summary_id":"01M596QNYE4VE6CZS0JTBCG19T","excerpt_id":null,"span_sha256":"1df6b7dab0c59172e500ad824b087fe9fb2498e880d6380983238bd6a4f48a9e","source_locator":null}},{"id":"01M596QXSYHBV7H3WJPXYFAMV2","source_id":"megababiesusa-com--evenflo-booster-seat-big-kid-lx-high-back-static-black:quick:source:6:review","field":"ratings","ordinal":3,"value_number":null,"unit":null,"value_text":"The Insurance Institute for Highway Safety rated the highback LX 'check fit' and the no-back version 'Best Bet'; a five-star government ease-of-use rating is also cited for the LX only.","original_value":"The Insurance Institute for Highway Safety rated the highback LX 'check fit' and the no-back version 'Best Bet'; a five-star government ease-of-use rating is also cited for the LX only.","confidence":0.7,"citation":{"lineage_tier":"T2","artefact_id":null,"start":null,"end":null,"summary_id":"01M596QPN28PXJK6D9K81MA4KB","excerpt_id":null,"span_sha256":"522e7eba265bb842e1ef97ab5a4d511ccfe04ae4171406a25050568b0198b3b7","source_locator":null}},{"id":"01M596QY47T0MNJSH8EAVQWJRE","source_id":"megababiesusa-com--evenflo-booster-seat-big-kid-lx-high-back-static-black:quick:source:1:guide","field":"what is included","ordinal":4,"value_number":null,"unit":null,"value_text":"A belt clip is included to position the vehicle shoulder belt correctly.","original_value":"The included belt clip facilitates correct vehicle belt positioning around your child's shoulder","confidence":0.95,"citation":{"lineage_tier":"T1","artefact_id":"megababiesusa-com--evenflo-booster-seat-big-kid-lx-high-back-static-black:quick:source:1:guide:artefact:a09b0d158bba86e61d16d3f49e7eaba04e8a84985331b76b9515f4f0ea2fdd3b","start":819,"end":915,"summary_id":null,"excerpt_id":null,"span_sha256":"6f6d378d02d2dff0181c926a00a7844a7c1353f6d8375986bbf6333e0ef10019","source_locator":"characters 819 to 915 of the retained text"}},{"id":"01M596QYGT4Q90BYYEB5MPR1T0","source_id":"megababiesusa-com--evenflo-booster-seat-big-kid-lx-high-back-static-black:quick:source:5:review","field":"complaints","ordinal":4,"value_number":null,"unit":null,"value_text":"Common criticisms listed are the absence of lower anchors, modest support and no aircraft use.","original_value":"Common criticisms listed are the absence of lower anchors, modest support and no aircraft use.","confidence":0.7,"citation":{"lineage_tier":"T2","artefact_id":null,"start":null,"end":null,"summary_id":"01M596QP9VGE2AW55HH3K240AQ","excerpt_id":null,"span_sha256":"ba344988ad1b8784ac8538e3b196bc754727041816123af81d012a0230089d04","source_locator":null}},{"id":"01M596QYV7ZKPY3CZD98ZEDD8W","source_id":"megababiesusa-com--evenflo-booster-seat-big-kid-lx-high-back-static-black:quick:source:6:review","field":"versions","ordinal":4,"value_number":null,"unit":null,"value_text":"The LX, DLX, Sport and Advanced versions are described as discontinued, differing mainly in padding and fabric, and reader feedback on the seat is summarised as positive.","original_value":"The LX, DLX, Sport and Advanced versions are described as discontinued, differing mainly in padding and fabric, and reader feedback on the seat is summarised as positive.","confidence":0.7,"citation":{"lineage_tier":"T2","artefact_id":null,"start":null,"end":null,"summary_id":"01M596QPZCVTR2214ZKVAMKM83","excerpt_id":null,"span_sha256":"27d5bb1dcefc3a8d06905e9d2dee535ce8a3091d522bad4b877a94c303ee121c","source_locator":null}},{"id":"01M596QZ5QAET901KBEXR730PZ","source_id":"megababiesusa-com--evenflo-booster-seat-big-kid-lx-high-back-static-black:quick:source:1:guide","field":"cup holders","ordinal":5,"value_number":null,"unit":null,"value_text":"Two cup holders are built into the seat.","original_value":"2 cup holders are built into the seat, keeping drinks and snacks close and allowing the driver to stay focused on the road.","confidence":0.95,"citation":{"lineage_tier":"T1","artefact_id":"megababiesusa-com--evenflo-booster-seat-big-kid-lx-high-back-static-black:quick:source:1:guide:artefact:a09b0d158bba86e61d16d3f49e7eaba04e8a84985331b76b9515f4f0ea2fdd3b","start":572,"end":695,"summary_id":null,"excerpt_id":null,"span_sha256":"ccba86e51b387a461e423f1de2a7dd3097f884a93b7cd3dff4ba9685bddf5b5a","source_locator":"characters 572 to 695 of the retained text"}},{"id":"01M596QZH0HHVBJD7SMAW5A1WA","source_id":"megababiesusa-com--evenflo-booster-seat-big-kid-lx-high-back-static-black:quick:source:3:review","field":"self buckling","ordinal":5,"value_number":null,"unit":null,"value_text":"Children could buckle themselves in without much trouble, and the LX's flip-up armrests and pull-out cup holders made no difference to that.","original_value":"Children could buckle themselves in without much trouble, and the LX's flip-up armrests and pull-out cup holders made no difference to that.","confidence":0.7,"citation":{"lineage_tier":"T2","artefact_id":null,"start":null,"end":null,"summary_id":"01M596QKBS8GYSS8PG4KNFDZZG","excerpt_id":null,"span_sha256":"0b52bf3c879e15d74c82737dbae33838b6497aae176fa2d2ad477f9e59f31ff5","source_locator":null}},{"id":"01M596QZW9T5SRPYCHR6GX0CRK","source_id":"megababiesusa-com--evenflo-booster-seat-big-kid-lx-high-back-static-black:quick:source:1:guide","field":"padding and comfort","ordinal":6,"value_number":null,"unit":null,"value_text":"The seat pad is contoured and padded for longer journeys.","original_value":"Comfy seat pad with contoured padding, great for long journeys.","confidence":0.9,"citation":{"lineage_tier":"T1","artefact_id":"megababiesusa-com--evenflo-booster-seat-big-kid-lx-high-back-static-black:quick:source:1:guide:artefact:a09b0d158bba86e61d16d3f49e7eaba04e8a84985331b76b9515f4f0ea2fdd3b","start":916,"end":979,"summary_id":null,"excerpt_id":null,"span_sha256":"9b1db6af41c301cf1feca322a56481badc166e2f2a28ab48c338adb017aac7c9","source_locator":"characters 916 to 979 of the retained text"}},{"id":"01M596R06KSKGWB08MHHE3HR77","source_id":"megababiesusa-com--evenflo-booster-seat-big-kid-lx-high-back-static-black:quick:source:1:guide","field":"identification","ordinal":7,"value_number":null,"unit":null,"value_text":"The variant is Static Black with SKU 31912230 and barcode 0328841973926.","original_value":"\"gtin\":\"0328841973926\"","confidence":0.9,"citation":{"lineage_tier":"T1","artefact_id":"megababiesusa-com--evenflo-booster-seat-big-kid-lx-high-back-static-black:quick:source:1:guide:artefact:a09b0d158bba86e61d16d3f49e7eaba04e8a84985331b76b9515f4f0ea2fdd3b","start":17546,"end":17568,"summary_id":null,"excerpt_id":null,"span_sha256":"d96a9e20c7306e22e22981228c3889dfc21df4c8a5e32871d935f155db3248d0","source_locator":"characters 17546 to 17568 of the retained text"}}],"facet_texts":[],"gaps":[{"id":"01M596R0WMSB1RC1X44J2R90Q9","source_type":"blog","url":"https://thatbaldchick.com/evenflo-booster/","reason":"not used","detail":"read in full; the writer drew no finding or fact from it, so it is not kept in the pack","recorded_at":"2026-10-19T04:07:39.250Z"},{"id":"01M596R16Y8G04QXAMWJJ7GD8N","source_type":"facets","url":null,"reason":"embeddings skipped in the deep lane","detail":"the deep lane makes no embedding call; this pack has no facet texts and no vectors","recorded_at":"2026-10-19T04:07:39.250Z"},{"id":"01M596R1JXGJ9KY1C0YAPP78TC","source_type":"manual","url":"https://evenflo-cms-assets.s3.amazonaws.com/manuals/us_amp/en/us_amp_EN.pdf","reason":"not read","detail":"Amazon and the excluded hosts are never read, by the standing exclusion.","recorded_at":"2026-10-19T04:07:39.250Z"},{"id":"01M596R1XK60PQGC6EHB0FF2JY","source_type":"review","url":"https://www.consumerreports.org/babies-kids/car-seats/evenflo-big-kid-lx/m191150/","reason":"quoted fact left out","detail":"Left out: a fact on weight in each mode quoted from an owner-opinion page; such pages give findings in RoboTrunk's own words only.","recorded_at":"2026-10-19T04:07:39.250Z"},{"id":"01M596R284VK4KVRX5M37CRG0T","source_type":"review","url":"https://csftl.org/evenflo-big-kid-amp-review/","reason":"quoted fact left out","detail":"Left out: a fact on manual storage quoted from an owner-opinion page; such pages give findings in RoboTrunk's own words only.","recorded_at":"2026-10-19T04:07:39.250Z"},{"id":"01M596R2K7B13XA8AJWK3K536A","source_type":"review","url":"https://www.consumerreports.org/babies-kids/car-seats/evenflo-big-kid-lx/m191150/","reason":"quoted fact left out","detail":"Left out: a fact on width quoted from an owner-opinion page; such pages give findings in RoboTrunk's own words only.","recorded_at":"2026-10-19T04:07:39.250Z"},{"id":"01M596R2XNPQEZDK0BCR6W24WD","source_type":"review","url":"https://www.consumerreports.org/babies-kids/car-seats/evenflo-big-kid-lx/m191150/","reason":"quoted fact left out","detail":"Left out: a fact on overall height quoted from an owner-opinion page; such pages give findings in RoboTrunk's own words only.","recorded_at":"2026-10-19T04:07:39.250Z"},{"id":"01M596R38053RJ9S0C53DH2SBE","source_type":"review","url":"https://www.consumerreports.org/babies-kids/car-seats/evenflo-big-kid-lx/m191150/","reason":"quoted fact left out","detail":"Left out: a fact on attachment quoted from an owner-opinion page; such pages give findings in RoboTrunk's own words only.","recorded_at":"2026-10-19T04:07:39.250Z"},{"id":"01M596R3MPA75HYVEET8PPW00N","source_type":"review","url":"https://www.consumerreports.org/babies-kids/car-seats/evenflo-big-kid-lx/m191150/","reason":"quoted fact left out","detail":"Left out: a fact on lowback belt guide quoted from an owner-opinion page; such pages give findings in RoboTrunk's own words only.","recorded_at":"2026-10-19T04:07:39.250Z"},{"id":"01M596R3ZKRMZM8KMBTG2EHTE9","source_type":"review","url":"https://csftl.org/evenflo-big-kid-amp-review/","reason":"quoted fact left out","detail":"Left out: a fact on expiration quoted from an owner-opinion page; such pages give findings in RoboTrunk's own words only.","recorded_at":"2026-10-19T04:07:39.250Z"},{"id":"01M596R49XRTAXNKP6RRHDE2QV","source_type":"review","url":"https://csftl.org/evenflo-big-kid-amp-review/","reason":"quoted fact left out","detail":"Left out: a fact on air travel quoted from an owner-opinion page; such pages give findings in RoboTrunk's own words only.","recorded_at":"2026-10-19T04:07:39.250Z"},{"id":"01M596R4N0362XM1H1YFTSNC8D","source_type":"review","url":"https://csftl.org/evenflo-big-kid-amp-review/","reason":"quoted fact left out","detail":"Left out: a fact on headrest requirement quoted from an owner-opinion page; such pages give findings in RoboTrunk's own words only.","recorded_at":"2026-10-19T04:07:39.250Z"},{"id":"01M596R500D9Q774ZZPSHS7C1Y","source_type":"review","url":"https://csftl.org/evenflo-big-kid-amp-review/","reason":"quoted fact left out","detail":"Left out: a fact on headrest height quoted from an owner-opinion page; such pages give findings in RoboTrunk's own words only.","recorded_at":"2026-10-19T04:07:39.250Z"}],"facet_check":null,"evidence_depth":{"note":"Deep read: the store's own data and 12 outside pages (the store's own product page; manual; review; forum; regulator recall search (CPSC (United States)); regulator recall search (Health Canada); official safety test results (CREP, the Child Restraint Evaluation Program); official safety test results (NHTSA's Car Seat Ease of Use Ratings); official safety test results (ADAC's child seat test)), each read in full by RoboTrunk and trimmed to its main content, then written up and checked. Facts from the maker or a manual quote the page word for word; what real users report is summarised with a link to the page read. Recall status was checked directly with CPSC (United States), Health Canada: Searches of CPSC's recall database for Evenflo (23 records) and Health Canada's recall open data (10 records) returned no recall for the Big Kid LX booster or any Big Kid booster; the Evenflo recalls listed cover gates, high chairs, activity centres, play yards, carriers and infant car seats instead. Official safety test results were looked up directly with CREP, the Child Restraint Evaluation Program, NHTSA's Car Seat Ease of Use Ratings, ADAC's child seat test: CREP, the Child Restraint Evaluation Program (Australia and New Zealand): CREP's published list of 216 rated seats names brands including Britax, Joie, Maxi-Cosi and Nuna, but none containing Evenflo or Big Kid LX, and the list is stated to be complete, so this booster has not been rated there. NHTSA's Car Seat Ease of Use Ratings (United States): NHTSA's published list of 126 rated seats includes 12 Evenflo seats (EveryKid, EveryFit, SureRide 65, Go Time, Maestro Sport and others) but not the Big Kid LX, and the list is stated to be complete, so no ease-of-use rating exists there for this exact model. ADAC's child seat test (Germany, the UK and Europe): ADAC's published list of 527 tested seats since 2015 contains no Evenflo or Big Kid LX entry, and the list is stated to be complete, so this seat has not been graded by ADAC. Not read, because they are member-only or refused RoboTrunk: Consumer Reports car seat ratings, Which? child car seat tests, JPMA certified products. Still open, with no evidence found: How thick and soft is the seat padding in person?; Does the fabric or the printed finish wear or rub off over time?; What is Evenflo's warranty period for this booster?; Which specific vehicle models has this seat been confirmed to fit?; Can replacement covers or parts be bought separately?; Do the cup holders feel sturdy or flimsy when a bottle is in them?; How long does it take to assemble the back out of the box?; Are tools needed to convert it from highback to backless?; Does the included belt clip stay put on the shoulder strap?; How much room does the seat leave for a passenger beside it?.","tier":"complex","depth":"trimmed_read","model":"deepseek-flash","recall":{"note":"Searches of CPSC's recall database for Evenflo (23 records) and Health Canada's recall open data (10 records) returned no recall for the Big Kid LX booster or any Big Kid booster; the Evenflo recalls listed cover gates, high chairs, activity centres, play yards, carriers and infant car seats instead.","status":"no_recall_found","regulators_asked":["CPSC (United States)","Health Canada"]},"sources":[{"url":"https://top-stroll.myshopify.com/products.json","role":"the store's own data","retained":true},{"url":"https://top-stroll.myshopify.com/products/evenflo-booster-seat-big-kid-lx-high-back-static-black","role":"the store's own product page","retained":true},{"url":"https://www.evenflo.com/pages/manuals","role":"manual","retained":true},{"url":"https://csftl.org/evenflo-big-kid-amp-review/","role":"review","retained":true},{"url":"https://www.consumerreports.org/babies-kids/car-seats/evenflo-big-kid-lx/m191150/","role":"review","retained":true},{"url":"https://800bucklup.org/reviews/evenflo-big-kid-lx/","role":"review","retained":true},{"url":"https://www.babybargains.com/evenflo-big-kid/","role":"review","retained":true},{"url":"https://www.car-seat.org/threads/narrowest-booster.161493/","role":"forum","retained":true},{"url":"https://www.saferproducts.gov/RestWebServices/Recall?format=json&Manufacturer=Evenflo","role":"regulator recall search (CPSC (United States))","retained":true},{"url":"https://recalls-rappels.canada.ca/sites/default/files/opendata-donneesouvertes/HCRSAMOpenData.json","role":"regulator recall search (Health Canada)","retained":true},{"url":"https://www.childcarseats.com.au/api/v1/child_car_seats/filter_data/retrieve?_format=json","role":"official safety test results (CREP, the Child Restraint Evaluation Program)","retained":true},{"url":"https://api.nhtsa.gov/childSeats?dataSet=ratings","role":"official safety test results (NHTSA's Car Seat Ease of Use Ratings)","retained":true},{"url":"https://www.adac.de/rund-ums-fahrzeug/ausstattung-technik-zubehoer/kindersitze/kindersitztest/","role":"official safety test results (ADAC's child seat test)","retained":true},{"url":"https://thatbaldchick.com/evenflo-booster/","role":"blog","retained":false}],"reasoning":"low","embeddings":"skipped in the deep lane: no embedding call is made here","safety_tests":{"asked":["CREP, the Child Restraint Evaluation Program","NHTSA's Car Seat Ease of Use Ratings","ADAC's child seat test"],"walled":[{"reason":"Consumer Reports' car seat ratings pages declare themselves not free to read (isAccessibleForFree false, read 25-Sep-2026); RoboTrunk never reads past a paywall.","programme":"Consumer Reports car seat ratings"},{"reason":"Which? shows its child car seat test results to members only (read 25-Sep-2026); RoboTrunk never reads past a membership wall.","programme":"Which? child car seat tests"},{"reason":"JPMA's certified products list refused RoboTrunk's named fetcher (HTTP 403, 25-Sep-2026). It is not retried under another identity.","programme":"JPMA certified products"}],"results":[{"status":"not_tested","summary":"CREP's published list of 216 rated seats names brands including Britax, Joie, Maxi-Cosi and Nuna, but none containing Evenflo or Big Kid LX, and the list is stated to be complete, so this booster has not been rated there.","programme":"CREP, the Child Restraint Evaluation Program (Australia and New Zealand)","source_url":"https://www.childcarseats.com.au/api/v1/child_car_seats/filter_data/retrieve?_format=json"},{"status":"not_tested","summary":"NHTSA's published list of 126 rated seats includes 12 Evenflo seats (EveryKid, EveryFit, SureRide 65, Go Time, Maestro Sport and others) but not the Big Kid LX, and the list is stated to be complete, so no ease-of-use rating exists there for this exact model.","programme":"NHTSA's Car Seat Ease of Use Ratings (United States)","source_url":"https://api.nhtsa.gov/childSeats?dataSet=ratings"},{"status":"not_tested","summary":"ADAC's published list of 527 tested seats since 2015 contains no Evenflo or Big Kid LX entry, and the list is stated to be complete, so this seat has not been graded by ADAC.","programme":"ADAC's child seat test (Germany, the UK and Europe)","source_url":"https://www.adac.de/rund-ums-fahrzeug/ausstattung-technik-zubehoer/kindersitze/kindersitztest/"}]},"searched_for":["maker_page","manual","recall_notices","owner_reviews","blogs","forums","video_reviews"],"open_questions":["How thick and soft is the seat padding in person?","Does the fabric or the printed finish wear or rub off over time?","What is Evenflo's warranty period for this booster?","Which specific vehicle models has this seat been confirmed to fit?","Can replacement covers or parts be bought separately?","Do the cup holders feel sturdy or flimsy when a bottle is in them?","How long does it take to assemble the back out of the box?","Are tools needed to convert it from highback to backless?","Does the included belt clip stay put on the shoulder strap?","How much room does the seat leave for a passenger beside it?"]}}