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 one AAA battery (not...

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. This...