Use with Dash & Dot robots from Wonder Workshop;Especially designed to work with LEGO bricks, Technics, Mindstorms kits and Hero Factory; Each pack comes with 4 connectors;Use LEGO bricks to build Dash & Dot into anything you imagine with Building Brick Extensions

• Wonder Workshop - Build Brick Extensions for Dash and Dot Robots - Smart Robots for Curious Minds, your kids will learn how to code while having fun

Wonder Workshop - Build Brick Extensions for Dash and Dot Robots - Smart Robots for Curious Minds, your kids will learn how to code while having funWonder Workshop