Britax Aptana Second Seat - Dune Taupe | 2 sellers, live prices, prepared checkout

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Checked facts

Each fact below was checked against the source it cites before it was published. Each carries that source's link and the time RoboTrunk read it. 39 checked facts, checked 2026-10-07T02:20:01.562Z. Research depth: trimmed read. Deep read: the store's own data and 6 outside pages (the store's own product page; maker page; manual; other; regulator recall search (CPSC (United States)); regulator recall search (Health Canada)), 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: CPSC recall search for Britax Safe N Sound / Aptana Second Seat - Dune Taupe returned no recall records; Health Canada open data mentioning britax safe n sound also returned none.

• identity: The store data lists SKU 39746 and GTIN 9311742397466.. Source: https://baby-little-planet.myshopify.com/products.json (listing), read 2026-10-06T20:29:14.451Z.
• identity: The maker lists the product as Britax Aptana Second Seat Dune Taupe with SKU 39746.. Source: https://www.britax.com.au/aptana-second-seat-dune-taupe/5637228576.p (guide), read 2026-10-07T01:43:58.714Z.
• maximum weight: Sources disagree: the Britax manual limits the second seat to 18 kg, while Baby Little Planet lists 20 kg.. Source: https://files-au-prod.cms.commerce.dynamics.com/cms/api/jcgqgwntbf/binary/ML4umk (manual), read 2026-10-07T01:43:59.982Z.
• weight limit: Sources disagree: the Britax FAQ gives the second seat an 18 kg limit, while Baby Little Planet lists 20 kg.. Source: https://www.britax.com.au/faq/britax-aptana (guide), read 2026-10-07T01:44:08.352Z.
• dimensions: Sources disagree on dimensions: Baby Little Planet lists 50 cm wide × 28 cm deep × 60 cm high; Baby Kingdom lists 40 cm wide × 52 cm deep × 83 cm high.. Source: https://baby-little-planet.myshopify.com/products.json (listing), read 2026-10-06T20:29:14.451Z.
• description: Sources disagree on attachment position: Britax's product page says the second seat attaches to the front of the Aptana stroller; its manual says it connects to the rear.. Source: https://www.britax.com.au/aptana-second-seat-dune-taupe/5637228576.p (guide), read 2026-10-07T01:43:58.714Z.
• harness warning: The manual warns to secure the child in the harness at all times.. Source: https://files-au-prod.cms.commerce.dynamics.com/cms/api/jcgqgwntbf/binary/ML4umk (manual), read 2026-10-07T01:43:59.982Z.
• compatibility: Sources disagree on configurations: the Britax FAQ says both seats are full size and interchangeable, while the manual says the second seat can only be used forward-facing at the rear.. Source: https://www.britax.com.au/faq/britax-aptana (guide), read 2026-10-07T01:44:08.352Z.
• weight: Sources disagree on seat weight: Baby Little Planet lists 3.6 kg; Baby Kingdom lists 4.4 kg.. Source: https://baby-little-planet.myshopify.com/products.json (listing), read 2026-10-06T20:29:14.451Z.
• reversible seat: Sources disagree on seat direction: Britax's product page says the seat switches between parent-facing and world-facing; its manual says the second seat can only be used forward-facing.. Source: https://www.britax.com.au/aptana-second-seat-dune-taupe/5637228576.p (guide), read 2026-10-07T01:43:58.714Z.
• accessory warning: The manual warns not to use accessories other than those approved for this stroller.. Source: https://files-au-prod.cms.commerce.dynamics.com/cms/api/jcgqgwntbf/binary/ML4umk (manual), read 2026-10-07T01:43:59.982Z.
• tandem weights: The Britax FAQ gives tandem-mode limits of 20 kg for the main seat and 18 kg for the second seat; sources disagree because Baby Little Planet lists 20 kg for the second seat.. Source: https://www.britax.com.au/faq/britax-aptana (guide), read 2026-10-07T01:44:08.352Z.
• materials: One retailer says the materials are a high-quality metal frame and padded fabric seat.. Source: https://baby-little-planet.myshopify.com/products.json (listing), read 2026-10-06T20:29:14.451Z.
• recline: The seat has a one-hand recline with five backrest positions.. Source: https://www.britax.com.au/aptana-second-seat-dune-taupe/5637228576.p (guide), read 2026-10-07T01:43:58.714Z.
• compatibility warning: The manual says not to use the second seat with any other models of stroller.. Source: https://files-au-prod.cms.commerce.dynamics.com/cms/api/jcgqgwntbf/binary/ML4umk (manual), read 2026-10-07T01:43:59.982Z.
• capsule compatibility: The maker FAQ says both upper and lower positions can take baby capsules.. Source: https://www.britax.com.au/faq/britax-aptana (guide), read 2026-10-07T01:44:08.352Z.
• age and weight suitability: Sources disagree on suitability: Baby Little Planet lists from 6 months up to 20 kg; Baby Kingdom lists from birth up to 18 kg (approximately 3 years), and the Britax manual limits child weight to 18 kg.. Source: https://baby-little-planet.myshopify.com/products.json (listing), read 2026-10-06T20:29:14.451Z.
• canopy: The extendable canopy is UPF50+, has a sun visor, mesh ventilation panels and water-resistant fabric.. Source: https://www.britax.com.au/aptana-second-seat-dune-taupe/5637228576.p (guide), read 2026-10-07T01:43:58.714Z.
• fit warning: The manual says the second seat must be correctly fitted and locked onto the stroller frame.. Source: https://files-au-prod.cms.commerce.dynamics.com/cms/api/jcgqgwntbf/binary/ML4umk (manual), read 2026-10-07T01:43:59.982Z.
• materials: The maker FAQ says the seats, comfort inserts and bassinet are polyester.. Source: https://www.britax.com.au/faq/britax-aptana (guide), read 2026-10-07T01:44:08.352Z.
• safety standards: One retailer says the second seat is designed to meet Australian safety requirements.. Source: https://baby-little-planet.myshopify.com/products.json (listing), read 2026-10-06T20:29:14.451Z.
• harness: The harness is a no-rethread design that adjusts up or down.. Source: https://www.britax.com.au/aptana-second-seat-dune-taupe/5637228576.p (guide), read 2026-10-07T01:43:58.714Z.
• overload warning: The manual warns not to overload the stroller.. Source: https://files-au-prod.cms.commerce.dynamics.com/cms/api/jcgqgwntbf/binary/ML4umk (manual), read 2026-10-07T01:43:59.982Z.
• washable: The maker FAQ says only the seat fabrics are removable and washable.. Source: https://www.britax.com.au/faq/britax-aptana (guide), read 2026-10-07T01:44:08.352Z.
• warranty: One retailer lists a 2-year manufacturer’s warranty.. Source: https://baby-little-planet.myshopify.com/products.json (listing), read 2026-10-06T20:29:14.451Z.
• lower adaptors: Lower adaptors are designed to attach a second seat or bassinet to the lower position.. Source: https://www.britax.com.au/aptana-second-seat-dune-taupe/5637228576.p (guide), read 2026-10-07T01:43:58.714Z.
• compatibility: The manual says the second seat is designed to fit the Britax Aptana stroller.. Source: https://files-au-prod.cms.commerce.dynamics.com/cms/api/jcgqgwntbf/binary/ML4umk (manual), read 2026-10-07T01:43:59.982Z.
• fold: Sources disagree on folding: the Britax FAQ says the Aptana cannot fold with the second seat attached; Baby Little Planet lists a compact fold with the stroller.. Source: https://www.britax.com.au/faq/britax-aptana (guide), read 2026-10-07T01:44:08.352Z.
• attachment: The second seat attaches to the Aptana stroller frame to convert it to a double.. Source: https://baby-little-planet.myshopify.com/products.json (listing), read 2026-10-06T20:29:14.451Z.
• what is included: The box includes one second seat, one canopy and two lower adaptors.. Source: https://files-au-prod.cms.commerce.dynamics.com/cms/api/jcgqgwntbf/binary/ML4umk (manual), read 2026-10-07T01:43:59.982Z.
• newborn recline: The maker FAQ says the seat backrest must be at full recline at all times for infants.. Source: https://www.britax.com.au/faq/britax-aptana (guide), read 2026-10-07T01:44:08.352Z.
• harness: The seat has a secure 5-point harness.. Source: https://baby-little-planet.myshopify.com/products.json (listing), read 2026-10-06T20:29:14.451Z.
• what is included: The box includes one arm bar.. Source: https://files-au-prod.cms.commerce.dynamics.com/cms/api/jcgqgwntbf/binary/ML4umk (manual), read 2026-10-07T01:43:59.982Z.
• attachment and removal: The seat is designed for quick attachment and removal.. Source: https://baby-little-planet.myshopify.com/products.json (listing), read 2026-10-06T20:29:14.451Z.
• attachment: Sources disagree on attachment position: Baby Village says the second seat attaches to the front of the Aptana stroller; the Britax manual says it connects to the rear.. Source: https://baby-little-planet.myshopify.com/products.json (listing), read 2026-10-06T20:29:14.451Z.
• newborn compatibility: The second seat is part of a newborn-ready system compatible with a bassinet and baby capsule.. Source: https://baby-little-planet.myshopify.com/products.json (listing), read 2026-10-06T20:29:14.451Z.
• age and weight suitability: Sources disagree on suitability: Baby Kingdom lists from birth up to 18 kg (approximately 3 years); Baby Little Planet lists from 6 months up to 20 kg.. Source: https://baby-little-planet.myshopify.com/products.json (listing), read 2026-10-06T20:29:14.451Z.
• dimensions: Sources disagree on dimensions: Baby Kingdom lists 83 cm high × 40 cm wide × 52 cm deep; Baby Little Planet lists 60 cm high × 50 cm wide × 28 cm deep.. Source: https://baby-little-planet.myshopify.com/products.json (listing), read 2026-10-06T20:29:14.451Z.
• weight: Sources disagree on seat weight: Baby Kingdom lists 4.4 kg; Baby Little Planet lists 3.6 kg.. Source: https://baby-little-planet.myshopify.com/products.json (listing), read 2026-10-06T20:29:14.451Z.

The full evidence pack, with every citation, source and gap.

Questions we researched but could not confirm

Every fact above is cited. To find them we read the store listing, the maker's page, the manual, other pages about it and the recall records of CPSC (United States) and Health Canada and searched for regulator recall notices, owner reviews, blogs, owner forums and video reviews. We also chased the questions below across those sources and found no reliable answer, so you know exactly where the evidence ends and never have to guess.

• What tools, if any, are needed to attach the second seat?
• How thick or padded is the seat fabric?
• Does the Dune Taupe finish or coating rub off over time?
• What is the seat back height and seat depth for a child?
• What is the maximum child height for the second seat?
• Is the second seat suitable from birth or only from 6 months?
• Which exact Australian safety standard does the second seat meet?
• Can the second seat be used in the upper position or only the lower position?
• Are replacement fabrics or parts available separately?
• Does the second seat work with a bassinet in tandem mode?
• What is the seat's recline angle in each position?
• Does the second seat include a rain cover?
• What is the product's country of manufacture?
• Does the second seat have a tether or additional safety strap?
• Does the second seat come with a storage bag?

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