Dynamo Robot 4M Kit - A Robot That Needs No Batteries Green Science Inspirational and fun this Green Science project helps you create a robot that doesn t need the use of batteries. Spin the dynamo to produce the electricity to power its motor. The dynamo is your very own source of green electricity. Watch as the robot runs backwards and forwards, snapping its jaws as it goes. Recycle everyday items like CDs to make the robot s body. It s a fun way to learn about alternative energy and robotics. Contents Set casing base and top, Set handle cover, winding crank components, gear cover, 3 gear wheels, yellow motor with spur gear and wires, large head screw, cable clamp, 3 spindles. body base, body top, cam cover, adhesive tab, 2 moving eyes, green motor with worm gear and wires, support wire, wheels, cardboard stick, axle with gear and cam, burger box template. connecting wire, sticky pad, 15 screws, 4 terminal caps, and schematic instructions. Ages 8 and up.