It's street tough, water ready and solar powered. It would be difficult to find a beginner robotic kit more fun and educational than the Amphibious Solar Vehicle! This kit introduces fundamentals of solar power through hands-on experiments. The sun or any intense mobile light can power the solar cell. A multiple function switch allows this kit to be energized day or night, indoors or outdoors. Its scientifically structured catamaran design reduces water resistance, thus reducing the possibility of capsizing. The user can explore different types of energy conversion with this land and water vehicle. Learn what materials solar cells are made from and the characteristics of solar cells, advantages and disadvantages of solar power.
Specs:
Body Size: 166 x 79 x 240 mm
Power Source:
1.) Solar Cell / 1.4 n 350mA 9max)
2.) Dry Cell battery / "AA" x 1 pc (not included).
DC Motor: Rated Voltage 1.9V; Rated Ampere 1.45 mA; Rated Load: 4g.cm.
Piece count: 27
$45.99 
OWI Solar Battery