Build unique robots that are powered by the sun — batteries not required! Using a compact solar panel these cool little bots harness energy from the sun to power an electric motor to get moving Build a drummer robot that marches along beating a drum an armadillo robot that does somersaults a solar bug that crawls on six legs and more! The 48-page full-color manual guides solar power pioneers through model assembly and offers fun scientific facts about the real-life applications of solar technology What solar-powered inventions will you dream up?