OVERVIEW: Construct six wondrous bots that move without any power or batteries! The genius behind these captivating machines is one of the oldest energy sources on Earth: wind! A vibrant manual takes you through assembling each of the six models with over 130 pieces. Construct a tricycle, quadruped, glider, drilling machine, walking robot, and even a wind-driven yacht! With the pieces in this kit, you'll also develop a hand-cranked wind turbine. As you construct and explore, discover more about...