Meet the Air Walker: a 4-legged bot that uses suction cups and pumps to climb vertical surfaces. It can crawl in a straight line while moving its head back & forth. Kids can build 4 other models with the same parts. They get 75 components to play with.
You may also want to see:
Air-Walker
You are going to need 3 AA batteries to power this robot. It is designed to give your kids hands-on experience in engineering and physics.
**Disclaimer: Our posts may feature aff links. As an Amazon Associate, we earn from qualifying purchases. Please read our disclaimer on how we fund this site.