Bugaboo Donkey/Buffalo adapter for Bugaboo comfort wheeled board
From Birth To 4 Yrs Bugaboo Buffalo Green Denim Standard Single Seat Stroller 8717447046158 | eBay
Amazon.com: Customer reviews: Bugaboo 2017 Comfort Wheeled Board - Stroller Ride On Board with Detachable Seat, Holds Children Up to 44lbs, 1 Count (Pack of 1)
Bugaboo Comfort Wheeled Board | Baby Village
Bugaboo Plus Pushchair Comfort Wheeled Board
Amazon.com : Bugaboo 2017 Comfort Wheeled Board - Stroller Ride On Board with Detachable Seat, Holds Children Up to 44lbs, 1 Count (Pack of 1) : Baby