Babyzen YoYo² Twin Setup with Connectors (Side by Side) - TinyExplorers
Double Stroller for toddler | BABYZEN™ stroller YOYO connect
Amazon.com : Twin Stroller Connector for Baby Universal Fits Umbrella Strollers Babyzen YOYO Yoya Etc.. Turns Two Single Strollers into a Double Stroller : Baby