Explore how solar power works as you construct 6 different motor-driven, solar-powered models. Projects include a windmill, airboat, helicopter, robot, airplane and wheeler. They stand up to 9" tall and work best in direct sunlight. Once you are finished experimenting with one model, take it apart and build the next. Comes with 1 mini motor, 1 solar panel, 44 pieces of plastic, snap-together components and an instruction manual. No batteries required. For ages 10 and up.