Green Science: Solar Robot   Recommended Ages: 8+   Learn how to make a moving robot using solar panels and a motor. Watch it walk on a sunny day. No batteries are required. Recycle everyday materials as its body parts....

Green Science: Aqua Robot     Recommended Ages: 5+   A robot fish that floats and paddles on the water's surface with the power of the sun or a regular battery.‚  Includes:   robot parts solar panel instructions   Requires...