A series of Robot Kits for the future engineer. Build this kit and find out how much fun electronics, mechanics or hydraulics can be!Features solar powered (no battery required) levels: starter level: - Turtle-bot - Beetle-bot - Quadru-bot - Boat-bot - Walker-bot - Dog-bot - Wheel-bot challenging level: - Roly Poly-bot - Auto-bot - Sligher-bot - Surf-bot - Boxer-bot - Crab-bot - Row-bot contents: motor: 14 000 rpm - 1.2 VDC solar panel plastic parts detailed assembly instructions recommended age: 14+