# Britax One2 Stroller with Second Seat \| 4 sellers, live prices, 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:* 25 checked facts, research depth trimmed read, checked 2026-10-01T16:30:59.799Z, in the [evidence pack](/agent/evidence/babykingdom-com-au--britax-one2-stroller-with-second-seat). - **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](/agent/evidence/babykingdom-com-au--britax-one2-stroller-with-second-seat). - **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 2026-10-26T19:58:24.270Z. - **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](https://robotrunk.com/products/ucp/babykingdom-com-au/9503774605544.md). - **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](/agents.md). - **Research from other stores:** Coming soon: reading other stores' listings of the same product as new research sources. Sold and shipped by babykingdom\.com\.au, babykingdom.com.au; payment happens on the store's own checkout. Brand: Britax ## Variants - Dune Taupe: AUD 749.99; in stock. Variant id: `gid://shopify/ProductVariant/48568031314152` - Seller: babykingdom\.com\.au. Price: AUD 749\.99. Stock: in stock. Variant: Dune Taupe, variant id `gid://shopify/ProductVariant/48568031314152`. shipping not recorded; confirmed at merchant checkout. returns not recorded; confirmed at merchant checkout. [Public evidence](https://kh9bh3-kb.myshopify.com/products/britax-one2-stroller-with-second-seat). [Get ready to buy from babykingdom\.com\.au: prepare checkout](/checkout-prepare?merchant=babykingdom-com-au&product_id=gid%3A%2F%2Fshopify%2FProduct%2F9503774605544&variant_id=gid%3A%2F%2Fshopify%2FProductVariant%2F48568031314152). - Seller: babykingdom\.com\.au. Price: AUD 599\.99. Stock: in stock. Variant: Dune Taupe, variant id `gid://shopify/ProductVariant/48568010211560`. shipping not recorded; confirmed at merchant checkout. returns not recorded; confirmed at merchant checkout. [Public evidence](https://kh9bh3-kb.myshopify.com/products/britax-one2-stroller). [Get ready to buy from babykingdom\.com\.au: prepare checkout](/checkout-prepare?merchant=babykingdom-com-au&product_id=gid%3A%2F%2Fshopify%2FProduct%2F9503763693800&variant_id=gid%3A%2F%2Fshopify%2FProductVariant%2F48568010211560). - Seller: babylittleplanet\.com\.au. Price: AUD 599\.00. Stock: in stock. Variant: Dune Taupe, variant id `gid://shopify/ProductVariant/42331985739846`. shipping not recorded; confirmed at merchant checkout. returns not recorded; confirmed at merchant checkout. [Public evidence](https://baby-little-planet.myshopify.com/products/britax-one2-stroller). [Get ready to buy from babylittleplanet\.com\.au: prepare checkout](/checkout-prepare?merchant=babylittleplanet-com-au&product_id=gid%3A%2F%2Fshopify%2FProduct%2F7742039818310&variant_id=gid%3A%2F%2Fshopify%2FProductVariant%2F42331985739846). - Seller: babyvillage\.com\.au. Price: AUD 649\.00. Stock: in stock. Variant: Dune Taupe, variant id `gid://shopify/ProductVariant/50924366528696`. shipping not recorded; confirmed at merchant checkout. returns not recorded; confirmed at merchant checkout. [Public evidence](https://babyvillage-store.myshopify.com/products/britax-safe-n-sound-one2-stroller). [Get ready to buy from babyvillage\.com\.au: prepare checkout](/checkout-prepare?merchant=babyvillage-com-au&product_id=gid%3A%2F%2Fshopify%2FProduct%2F9908781777080&variant_id=gid%3A%2F%2Fshopify%2FProductVariant%2F50924366528696). - Mineral Grey: AUD 749.99; in stock. Variant id: `gid://shopify/ProductVariant/48568031346920` - Seller: babykingdom\.com\.au. Price: AUD 749\.99. Stock: in stock. Variant: Mineral Grey, variant id `gid://shopify/ProductVariant/48568031346920`. shipping not recorded; confirmed at merchant checkout. returns not recorded; confirmed at merchant checkout. [Public evidence](https://kh9bh3-kb.myshopify.com/products/britax-one2-stroller-with-second-seat). [Get ready to buy from babykingdom\.com\.au: prepare checkout](/checkout-prepare?merchant=babykingdom-com-au&product_id=gid%3A%2F%2Fshopify%2FProduct%2F9503774605544&variant_id=gid%3A%2F%2Fshopify%2FProductVariant%2F48568031346920). - Seller: adoreubaby\.com\.au. Price: AUD 699\.00. Stock: in stock. Variant: Default Title, variant id `gid://shopify/ProductVariant/46635770773666`. shipping not recorded; confirmed at merchant checkout. returns not recorded; confirmed at merchant checkout. [Public evidence](https://adore-u-baby.myshopify.com/products/britax-one2-stroller-mineral-grey-milange). [Get ready to buy from adoreubaby\.com\.au: prepare checkout](/checkout-prepare?merchant=adoreubaby-com-au&product_id=gid%3A%2F%2Fshopify%2FProduct%2F8928681885858&variant_id=gid%3A%2F%2Fshopify%2FProductVariant%2F46635770773666). - Seller: babykingdom\.com\.au. Price: AUD 599\.99. Stock: in stock. Variant: Mineral Grey, variant id `gid://shopify/ProductVariant/48568010244328`. shipping not recorded; confirmed at merchant checkout. returns not recorded; confirmed at merchant checkout. [Public evidence](https://kh9bh3-kb.myshopify.com/products/britax-one2-stroller). [Get ready to buy from babykingdom\.com\.au: prepare checkout](/checkout-prepare?merchant=babykingdom-com-au&product_id=gid%3A%2F%2Fshopify%2FProduct%2F9503763693800&variant_id=gid%3A%2F%2Fshopify%2FProductVariant%2F48568010244328). - Seller: babylittleplanet\.com\.au. Price: AUD 599\.00. Stock: in stock. Variant: Mineral Grey, variant id `gid://shopify/ProductVariant/42331985870918`. shipping not recorded; confirmed at merchant checkout. returns not recorded; confirmed at merchant checkout. [Public evidence](https://baby-little-planet.myshopify.com/products/britax-one2-stroller). [Get ready to buy from babylittleplanet\.com\.au: prepare checkout](/checkout-prepare?merchant=babylittleplanet-com-au&product_id=gid%3A%2F%2Fshopify%2FProduct%2F7742039818310&variant_id=gid%3A%2F%2Fshopify%2FProductVariant%2F42331985870918). - Seller: babyvillage\.com\.au. Price: AUD 649\.00. Stock: out of stock. Variant: Mineral Grey, variant id `gid://shopify/ProductVariant/50924366561464`. shipping not recorded; confirmed at merchant checkout. returns not recorded; confirmed at merchant checkout. [Public evidence](https://babyvillage-store.myshopify.com/products/britax-safe-n-sound-one2-stroller). [Get ready to buy from babyvillage\.com\.au: prepare checkout](/checkout-prepare?merchant=babyvillage-com-au&product_id=gid%3A%2F%2Fshopify%2FProduct%2F9908781777080&variant_id=gid%3A%2F%2Fshopify%2FProductVariant%2F50924366561464). - Raven Black Melange: AUD 749.99; in stock. Variant id: `gid://shopify/ProductVariant/48568031379688` - Seller: babykingdom\.com\.au. Price: AUD 749\.99. Stock: in stock. Variant: Raven Black Melange, variant id `gid://shopify/ProductVariant/48568031379688`. shipping not recorded; confirmed at merchant checkout. returns not recorded; confirmed at merchant checkout. [Public evidence](https://kh9bh3-kb.myshopify.com/products/britax-one2-stroller-with-second-seat). [Get ready to buy from babykingdom\.com\.au: prepare checkout](/checkout-prepare?merchant=babykingdom-com-au&product_id=gid%3A%2F%2Fshopify%2FProduct%2F9503774605544&variant_id=gid%3A%2F%2Fshopify%2FProductVariant%2F48568031379688). - Seller: babykingdom\.com\.au. Price: AUD 599\.99. Stock: in stock. Variant: Raven Black Melange, variant id `gid://shopify/ProductVariant/48568010277096`. shipping not recorded; confirmed at merchant checkout. returns not recorded; confirmed at merchant checkout. [Public evidence](https://kh9bh3-kb.myshopify.com/products/britax-one2-stroller). [Get ready to buy from babykingdom\.com\.au: prepare checkout](/checkout-prepare?merchant=babykingdom-com-au&product_id=gid%3A%2F%2Fshopify%2FProduct%2F9503763693800&variant_id=gid%3A%2F%2Fshopify%2FProductVariant%2F48568010277096). - Seller: babylittleplanet\.com\.au. Price: AUD 599\.00. Stock: in stock. Variant: Raven Black Melange, variant id `gid://shopify/ProductVariant/42331985805382`. shipping not recorded; confirmed at merchant checkout. returns not recorded; confirmed at merchant checkout. [Public evidence](https://baby-little-planet.myshopify.com/products/britax-one2-stroller). [Get ready to buy from babylittleplanet\.com\.au: prepare checkout](/checkout-prepare?merchant=babylittleplanet-com-au&product_id=gid%3A%2F%2Fshopify%2FProduct%2F7742039818310&variant_id=gid%3A%2F%2Fshopify%2FProductVariant%2F42331985805382). - Seller: babyvillage\.com\.au. Price: AUD 649\.00. Stock: in stock. Variant: Raven Black Melange, variant id `gid://shopify/ProductVariant/50924366594232`. shipping not recorded; confirmed at merchant checkout. returns not recorded; confirmed at merchant checkout. [Public evidence](https://babyvillage-store.myshopify.com/products/britax-safe-n-sound-one2-stroller). [Get ready to buy from babyvillage\.com\.au: prepare checkout](/checkout-prepare?merchant=babyvillage-com-au&product_id=gid%3A%2F%2Fshopify%2FProduct%2F9908781777080&variant_id=gid%3A%2F%2Fshopify%2FProductVariant%2F50924366594232). - Sage Green: AUD 749.99; in stock. Variant id: `gid://shopify/ProductVariant/48568031412456` - Seller: babykingdom\.com\.au. Price: AUD 749\.99. Stock: in stock. Variant: Sage Green, variant id `gid://shopify/ProductVariant/48568031412456`. shipping not recorded; confirmed at merchant checkout. returns not recorded; confirmed at merchant checkout. [Public evidence](https://kh9bh3-kb.myshopify.com/products/britax-one2-stroller-with-second-seat). [Get ready to buy from babykingdom\.com\.au: prepare checkout](/checkout-prepare?merchant=babykingdom-com-au&product_id=gid%3A%2F%2Fshopify%2FProduct%2F9503774605544&variant_id=gid%3A%2F%2Fshopify%2FProductVariant%2F48568031412456). - Seller: adoreubaby\.com\.au. Price: AUD 699\.00. Stock: in stock. Variant: Default Title, variant id `gid://shopify/ProductVariant/45176632443042`. shipping not recorded; confirmed at merchant checkout. returns not recorded; confirmed at merchant checkout. [Public evidence](https://adore-u-baby.myshopify.com/products/one2-stroller-sage-britax-available-at-adoreu-baby). [Get ready to buy from adoreubaby\.com\.au: prepare checkout](/checkout-prepare?merchant=adoreubaby-com-au&product_id=gid%3A%2F%2Fshopify%2FProduct%2F8567386341538&variant_id=gid%3A%2F%2Fshopify%2FProductVariant%2F45176632443042). - Seller: babykingdom\.com\.au. Price: AUD 599\.99. Stock: in stock. Variant: Sage Green, variant id `gid://shopify/ProductVariant/48568010178792`. shipping not recorded; confirmed at merchant checkout. returns not recorded; confirmed at merchant checkout. [Public evidence](https://kh9bh3-kb.myshopify.com/products/britax-one2-stroller). [Get ready to buy from babykingdom\.com\.au: prepare checkout](/checkout-prepare?merchant=babykingdom-com-au&product_id=gid%3A%2F%2Fshopify%2FProduct%2F9503763693800&variant_id=gid%3A%2F%2Fshopify%2FProductVariant%2F48568010178792). - Seller: babylittleplanet\.com\.au. Price: AUD 599\.00. Stock: in stock. Variant: Sage Green, variant id `gid://shopify/ProductVariant/42331985772614`. shipping not recorded; confirmed at merchant checkout. returns not recorded; confirmed at merchant checkout. [Public evidence](https://baby-little-planet.myshopify.com/products/britax-one2-stroller). [Get ready to buy from babylittleplanet\.com\.au: prepare checkout](/checkout-prepare?merchant=babylittleplanet-com-au&product_id=gid%3A%2F%2Fshopify%2FProduct%2F7742039818310&variant_id=gid%3A%2F%2Fshopify%2FProductVariant%2F42331985772614). - Seller: babyvillage\.com\.au. Price: AUD 649\.00. Stock: in stock. Variant: Sage Green, variant id `gid://shopify/ProductVariant/50924366627000`. shipping not recorded; confirmed at merchant checkout. returns not recorded; confirmed at merchant checkout. [Public evidence](https://babyvillage-store.myshopify.com/products/britax-safe-n-sound-one2-stroller). [Get ready to buy from babyvillage\.com\.au: prepare checkout](/checkout-prepare?merchant=babyvillage-com-au&product_id=gid%3A%2F%2Fshopify%2FProduct%2F9908781777080&variant_id=gid%3A%2F%2Fshopify%2FProductVariant%2F50924366627000). ## 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. 25 checked facts, checked 2026-10-01T16:30:59.799Z. Research depth: trimmed read. Deep read: the store's own data and 7 outside pages \(the store's own product page; maker page; manual; 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: No supplied regulator record identifies the One2\. The CPSC search returned no records; the Canadian records concern other stroller models or car seats\. The Australian feed contains only the 100 most recent recalls from 2026\-05\-15 to 2026\-09\-29, so it does not exclude older Australian recalls\. Not read, because they are member\-only or refused RoboTrunk: Which? pushchair tests, CHOICE pram and stroller tests, Stiftung Warentest pram and buggy tests, JPMA certified products\. - colours: The bundle is listed in Dune Taupe, Mineral Grey, Raven Black Melange and Sage Green\.. Source: (listing), read 2026-09-30T20:01:17.971Z. - configurations: The One2 supports four single and eight tandem configurations for one or two children\.. Source: (guide), read 2026-10-01T16:14:27.872Z. - convertible main seat: The main seat converts between a complete lie\-flat bassinet and a seat\.. Source: (guide), read 2026-10-01T16:14:27.872Z. - age suitability: The store lists suitability from birth to approximately four years\. The manual gives different weight limits for each mode\.. Source: (guide), read 2026-10-01T16:14:27.872Z. - unfolded dimensions: The listed unfolded stroller dimensions are 120 cm high, 66 cm wide and 95 cm deep\.. Source: (guide), read 2026-10-01T16:14:27.872Z. - folded dimensions: Folded dimensions are 46 × 66 × 85 cm with the seat and 40 × 66 × 74 cm without it, in height × width × depth\. Tandem folded dimensions are not specified\.. Source: (guide), read 2026-10-01T16:14:27.872Z. - stroller weight: The stroller is listed at 11\.6 kg; this is not stated as the complete tandem bundle weight\.. Source: (guide), read 2026-10-01T16:14:27.872Z. - second seat dimensions and weight: The second seat measures 53 cm high, 40 cm wide and 43 cm deep, and weighs 2\.28 kg\.. Source: (guide), read 2026-10-01T16:14:27.872Z. - handlebar: The handlebar pivots up or down and has a listed maximum handle height of 103 cm\.. Source: (guide), read 2026-10-01T16:14:27.872Z. - handle height: The listed handle height reaches 103 cm\.. Source: (guide), read 2026-10-01T16:14:27.872Z. - basket access: The basket has a large opening and storage pockets\.. Source: (guide), read 2026-10-01T16:14:27.872Z. - second seat attachment: The second seat connects directly to the One2 frame without adaptors\.. Source: (guide), read 2026-10-01T16:14:27.872Z. - lower capsule position: A baby capsule can also occupy the lower position, with adaptors required\.. Source: (guide), read 2026-10-01T16:14:27.872Z. - seat adjustments: The main seat is reversible between parent\-facing and world\-facing, with three one\-hand recline positions and three leg\-rest positions\.. Source: (guide), read 2026-10-01T16:14:27.872Z. - main seat recline: The main seat has three recline positions operated with one hand\.. Source: (guide), read 2026-10-01T16:14:27.872Z. - leg rest: The main seat leg rest has three positions\.. Source: (guide), read 2026-10-01T16:14:27.872Z. - second seat recline: The second seat has three one\-hand backrest positions, from upright to near\-flat; it is not described as a lie\-flat bassinet\.. Source: (guide), read 2026-10-01T16:14:27.872Z. - canopies: Both seats are described with XL UPF50\+ extendable, water\-repellent canopies, sun visors and breathable mesh viewing and ventilation windows\.. Source: (guide), read 2026-10-01T16:14:27.872Z. - harness adjustment: Both seats have no\-rethread harnesses that adjust up or down\.. Source: (guide), read 2026-10-01T16:14:27.872Z. - tyres and suspension: The stroller has all\-wheel suspension and EVA tyres marketed as lightweight, durable and maintenance\-free\. No independent durability evidence is supplied\.. Source: (guide), read 2026-10-01T16:14:27.872Z. - folding: The stroller has a self\-standing fold and can fold with or without the main seat attached\. Folding with both seats is not confirmed\.. Source: (guide), read 2026-10-01T16:14:27.872Z. - second seat accessories: The second\-seat package includes seat extenders and rear wheel guards\.. Source: (guide), read 2026-10-01T16:14:27.872Z. - wheel guards: The rear wheel guards are intended to protect the lower child's fingers from the rear wheels\.. Source: (guide), read 2026-10-01T16:14:27.872Z. - second seat padding: The second seat has harness pads intended to add comfort; padding thickness and tactile feel are not specified\.. Source: (guide), read 2026-10-01T16:14:27.872Z. - warranty: The stroller and second seat are each listed with a two\-year warranty\. Coverage conditions and exclusions are not provided\.. Source: (guide), read 2026-10-01T16:14:27.872Z. The full evidence pack, with every citation, source and gap: [evidence pack](/agent/evidence/babykingdom-com-au--britax-one2-stroller-with-second-seat) ## 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 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. - How soft and thick are the seat fabric and padding? - What materials are used for the frame and upholstery? - Does the frame finish scratch or rub off with regular use? - What is the complete tandem weight including extenders and wheel guards? - What are the child height limits and usable seat dimensions? - From what age can a baby use the second seat? - Will the folded stroller fit my car boot? - Can it fold with both seats attached? - Which capsule adaptors are needed for each compatible capsule and seating position? - How much legroom does the lower child have in each tandem configuration? - How long does assembly take, and are any tools needed? - How easy is it to steer and push with two children? - What parts tend to wear out or break? - How should the fabrics, frame and wheels be cleaned and maintained? - What does the two\-year warranty cover and exclude? To buy this through RoboTrunk, pass merchant `babykingdom-com-au`, product_id `gid://shopify/Product/9503774605544` and one variant_id from the list above. Product image of Britax One2 Stroller with Second Seat, supplied by babykingdom\.com\.au: This product on babykingdom.com.au: Retrieved 2026-10-26T19:58:24.270Z from 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, then hand back a short-lived link. The person approves the total; once RoboTrunk has checked the store's total against it, the person is given the checkout link to tap in their own browser, or, if the person prefers and gives permission, their agent may open the link and finish there, and payment always happens on the store's own checkout page. RoboTrunk never takes the payment or sees a card. 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