# Buying a stroller with one seat and adding a second later Can a stroller be bought as a single\-seat model and have a second seat added afterward? Valco Baby Ark Single\-to\-Double Stroller: Sold as a single; adding the Ark Joey seat turns it into a double\. Valco Baby Ark Joey Seat: A second seat that adds a child to the Valco Baby Ark stroller\. The Joey seat can be mounted at the front of the stroller frame or over the basket\. ### 1. [Valco Baby Ark Single\-to\-Double Stroller](/products/ucp/megababiesusa-com/8989361537278) (sold by megababiesusa\.com) Sold as a single; adding the Ark Joey seat turns it into a double\. - Second seat: Sold as a single; adding the Ark Joey seat turns it into a double\. (guide) - Fold: Folds with one hand while the seat stays attached\. (guide) - Weight: Sources disagree on stroller weight: the store lists 31 lb with wheels, the US maker FAQ says 30 lb with wheels, US maker structured data says 33\.7 lb and Australian maker structured data says 16\.6 kg; the maker blog separately lists 30\.4 lb without wheels\. (listing) ### 2. [Valco Baby Ark Joey Seat](/products/ucp/megababiesusa-com/8989435724030) (sold by megababiesusa\.com) A second seat that adds a child to the Valco Baby Ark stroller\. - Second seat: A second seat that adds a child to the Valco Baby Ark stroller\. (guide) - Fold: - - Weight: The structured product data lists the Joey seat weight as 4\.8 kg\. (guide) ## Also cited in the text - Valco Baby Ark Joey Seat, Seat positions: The Joey seat can be mounted at the front of the stroller frame or over the basket\. (guide) Every value in the table is a fact RoboTrunk checked, linked to the page it came from\. A dash means no checked fact fills that cell\. Prices and stock change, so this page prints neither: each product name links to its RoboTrunk page, which shows them live\. Written 2026-10-26T10:27:13.012Z. 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. Where the rest of this site is: - /agent/story.md is what RoboTrunk is and how it works, in full. - /agent/tools.json is every tool, its arguments and its answers. - /agent/merchants is every store you can buy from through RoboTrunk. - /products/ucp is every store's indexed products. - /products/search is one search across every store, in plain words. - [What RoboTrunk is](/agent/story.md) - [Every tool, in your browser through WebMCP](/agent) - [The tools and how to call them](/agent/tools.json) - [The stores you can buy from](/agent/merchants) - [Every store's products](/products/ucp) - [Search every store at once](/products/search)