ev3 - Spik3r wheels move but the spik3r itself doesn't - Bricks
Amazon.com: LEGO MINDSTORMS EV3 31313 Robot Kit with Remote Control for Kids, Educational STEM Toy for Programming and Learning How to Code (601 Pieces) : Toys & Games
Lego Mindstorms EV3 31313 - SPIK3R Building Instructions - YouTube