Amazon.com : Lascal BuggyBoard Mini Universal Stroller Board, Fits 90% of Strollers Including UPPAbaby, Baby Jogger, Bugaboo, Stroller Attachment for Toddler to Ride & Stand, Max Weight 66 lbs, Black : Child
Children Stroller Pedal Adapter Second Wheeled Buggy Board Pushchair Step Board Up To accessories Kids Standing Plate with Seat - AliExpress
Lascal® BuggyBoard™ Universal Connector Kit for use on an Additional Stroller | Bed Bath & Beyond
Amazon.com : Universal Stroller Board 2-in-1 Buggy Board with Detachable Seat Standing Board, Rider Stroller Glider Board Suitable for Most Brands of Strollers, Holds Children Up to 55lbs : Baby