GoolRC Cute Solar Lobster Magic Solar Powered Lobster Insect Solar Toys for Kids When exposed to sunlight, the solar lobster can start its mini-engine by shaking itself(need to be on the plane surface) Powered by solar energy, no battery required. It must be placed under the strong sunlight, till it works. The solar lobster is a good teaching mold for solar concept of your children. Made of single crystal silicon manufacture technology, it is more energy-saving and eco-friendly.