Build six awesome bots that move without any batteries or electricity. The secret behind these fascinating machines is one of the oldest power sources in the world: wind! A full-color manual guides you in assembling six models one at a time.

To make them all go, the kit also includes the pieces to build a hand-powered wind generator. As you build and experiment, you will learn about how gears transmit power and torque. Also learn about wind as a power-generating technology — past, present, and future.

No glue, batteries or electricity required!

Contains: over 100 pieces to create 6 bots, and illustrated, step-by-step rulebook.

Ages: 8+.

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