Yookidoo Tumble Ball Stacker | live price, prepared checkout

Built for shopping agents: what RoboTrunk does for every product

We asked shopping agents, including Meta's Muse first-hand, what they need from a store. This is what they asked for, and what we have built.

RoboTrunk is working through its catalogue, so a step may not be done for this one yet. Where a step is done per product, the line ends with what is done for this product.

• Deep research: We read the maker's manual, independent reviews, video review transcripts and the store's own page, and publish each finding with its source and the date read. check_product returns them with a source for each. This product: 21 checked facts, research depth trimmed read, checked 2026-09-28T10:06:07.126Z, in the evidence pack.
• Receipts: Every published fact has a receipt showing its source quote. check_product and get_product return the checked facts that have one. This product: each checked fact listed below has one; the source quotes are in the evidence pack.
• Safety: check_product asks the product-safety regulators live (US CPSC, NHTSA and FDA, Health Canada, the UK's OPSS, Australia's ACCC) whether a recall names a product, listed here or not, and flags a match with its notice; a recall never blocks the buyer. This product: this page holds no recall result for it yet; check_product asks the regulators now.
• Recall watch: watch_recalls tells the buyer if a product bought here is recalled later.
• Second-hand listings: check_listing runs the same recall check on a second-hand listing someone found, and adds what the listing leaves out and the price new.
• The real price: The full price to the buyer's country, with shipping and tax, each part quoted from the store's policy or, where a part is not settled, what the total depends on: check_product and search_catalog take the buyer's country and postcode. This product: this store's price was read from its catalogue at 2026-10-18T19:50:07.465Z.
• A checkout that finishes: RoboTrunk lists only stores whose agent checkout it has verified. create_checkout prepares the order at the store; complete_checkout returns a link to the store's own checkout. The checkout can be finished in either of two ways: the person taps the link in their own browser, or their agent opens it and completes the checkout. RoboTrunk checks the store's total against a budget ceiling before it issues the link. Payment always happens on the store's own page, and RoboTrunk never holds the money. No store pays for placement; RoboTrunk may earn a commission from some stores via their affiliate programs.
• Markdown copy: Every page has a Markdown copy: this page's copy.
• Photos and ratings: Search results carry the product photo and, where the store's own page publishes one, its rating (search_catalog).
• Fit answers: check_fit answers whether a listing fits a car, pram or bottle, with the exact quote from the store's page, or says it is not known.
• Back-in-stock watches: watch_back_in_stock starts a watch on a listing the store shows as sold out; get_back_in_stock_watch shows when it is back in stock.
• Maker's manual: ask_product_manual answers from the maker's manual with the exact passage and page, or says the manual does not cover it.
• Tools and guide: Every tool and its description is at https://robotrunk.com/mcp; the guide is at /agents.md.
• Research from other stores: Coming soon: reading other stores' listings of the same product as research sources.

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. 21 checked facts, checked 2026-09-28T10:06:07.126Z. Research depth: trimmed read. Deep read: the store's own data and 7 outside pages (the store's own product page; maker page; spec sheet; review; regulator recall search (CPSC (United States)); regulator recall search (Health Canada); regulator recall search (ACCC Product Safety Australia)), 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, ACCC Product Safety Australia: The supplied CPSC search returned no recall records for Yookidoo/Tumble Ball Stacker item 40201, and the Health Canada data contained no Yookidoo records. The ACCC feed’s 100 most recent recalls also contained no match, although that feed does not establish the absence of older Australian recalls.

• age discrepancy: The sources disagree on age: the store feed says 1 year and older, while the maker says 9–24 months.. Source: https://anb-baby.myshopify.com/products.json (listing), read 2026-09-27T19:00:42.725Z.
• product identifiers: The store’s structured data identifies SKU YOO40201 and GTIN-13 7290107722018.. Source: https://anb-baby.myshopify.com/products/yookidoo-tumble-ball-stacker (guide), read 2026-09-28T09:50:06.676Z.
• age range: The sources disagree on age: the maker says 9–24 months, while the store feed says 1 year and older.. Source: https://www.yookidoo.com/products/tumble-ball-stacker-stackin-toy (guide), read 2026-09-28T09:50:10.465Z.
• aggregate rating: Target shows a middling 3.5-out-of-5 aggregate score based on four ratings, but the supplied page contains no written review details explaining the positives or problems.. Source: https://www.target.com/p/-/A-82088388 (review), read 2026-09-28T09:51:34.369Z.
• textures: The listing says the toy uses multiple materials and textures for tactile exploration.. Source: https://anb-baby.myshopify.com/products.json (listing), read 2026-09-27T19:00:42.725Z.
• included items: The maker’s contents section lists one stacker base, one funnel head, three stackers and three rattling balls.. Source: https://www.yookidoo.com/products/tumble-ball-stacker-stackin-toy (guide), read 2026-09-28T09:50:10.465Z.
• materials and feel: The maker describes a flower funnel head with soft petals and crinkly wings.. Source: https://www.yookidoo.com/products/tumble-ball-stacker-stackin-toy (guide), read 2026-09-28T09:50:10.465Z.
• play functions: Balls travel down the tower, make the wings flap, randomly leave through one of two openings and trigger musical feedback.. Source: https://www.yookidoo.com/products/tumble-ball-stacker-stackin-toy (guide), read 2026-09-28T09:50:10.465Z.
• gears: The side gears can turn alone or interact with one another.. Source: https://www.yookidoo.com/products/tumble-ball-stacker-stackin-toy (guide), read 2026-09-28T09:50:10.465Z.
• stacking arrangement: The blocks may be used in any quantity and stacked in any order.. Source: https://www.yookidoo.com/products/tumble-ball-stacker-stackin-toy (guide), read 2026-09-28T09:50:10.465Z.
• batteries: It requires three good-quality, known-brand 1.5V AA batteries, which are not included.. Source: https://www.yookidoo.com/products/tumble-ball-stacker-stackin-toy (guide), read 2026-09-28T09:50:10.465Z.
• battery warning: The maker warns not to use rechargeable batteries.. Source: https://www.yookidoo.com/products/tumble-ball-stacker-stackin-toy (guide), read 2026-09-28T09:50:10.465Z.
• battery installation: Battery installation requires a cross-head screwdriver; observe polarity and tightly refit the battery cover.. Source: https://www.yookidoo.com/products/tumble-ball-stacker-stackin-toy (guide), read 2026-09-28T09:50:10.465Z.
• battery storage warning: The maker says to remove the batteries after use or during long periods of non-use.. Source: https://www.yookidoo.com/products/tumble-ball-stacker-stackin-toy (guide), read 2026-09-28T09:50:10.465Z.
• cleaning: Clean the toy by wiping it with a damp cloth.. Source: https://www.yookidoo.com/products/tumble-ball-stacker-stackin-toy (guide), read 2026-09-28T09:50:10.465Z.
• stuck ball: If a ball becomes stuck, push it through with an object and inspect the passage for an obstruction.. Source: https://www.yookidoo.com/products/tumble-ball-stacker-stackin-toy (guide), read 2026-09-28T09:50:10.465Z.
• chemical claims: The maker says its products are free from phthalates, BPA, lead and PVC.. Source: https://www.yookidoo.com/products/tumble-ball-stacker-stackin-toy (guide), read 2026-09-28T09:50:10.465Z.
• safety standards: The maker says Yookidoo toys are tested to international safety standards, but does not name the standards or provide certifications.. Source: https://www.yookidoo.com/products/tumble-ball-stacker-stackin-toy (guide), read 2026-09-28T09:50:10.465Z.
• identification: The date code is a five-digit number ending in LD and is located on the battery lid.. Source: https://www.yookidoo.com/products/tumble-ball-stacker-stackin-toy (guide), read 2026-09-28T09:50:10.465Z.
• awards: The maker lists recognition from Dr. Toy, iParenting Media and The National Parenting Center.. Source: https://www.yookidoo.com/products/tumble-ball-stacker-stackin-toy (guide), read 2026-09-28T09:50:10.465Z.
• user-reported appeal and noise: A testimonial on the maker’s page says an eight-month-old enjoyed the toy’s several activities, while the adult especially appreciated that it was not noisy.. Source: https://www.yookidoo.com/products/tumble-ball-stacker-stackin-toy (guide), read 2026-09-28T09:50:10.465Z.

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 spec sheet, owner reviews and the recall records of CPSC (United States), Health Canada and ACCC Product Safety Australia. 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 are the toy’s assembled dimensions?
• How much does the complete toy weigh?
• What exact materials are used in each component?
• Are the rigid surfaces smooth, rubbery or textured?
• Does any paint, print or coating rub off with use?
• How loud is the musical feedback?
• Can the music be muted or its volume adjusted?
• How durable are the gears, wings and ball mechanism?
• Which components most commonly break or jam?
• What warranty does Yookidoo provide?
• Which named international safety standards does this model meet?
• Are any third-party safety certifications available?
• Are there small-part or other age-specific warnings?
• Can the toy be safely immersed in water?
• Why do the maker’s stacker counts differ across the page?

This page is published by RoboTrunk, a store built for shopping agents.

The store named on this page sells the product and ships it. RoboTrunk is not
the seller and never holds the money.

Buying works in one path. RoboTrunk's tools prepare a checkout at that store,
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