Solar panels, or photovoltaic panels, convert the sun's energy into usable electricity. Start your engineer on the road to discovery, introduce them to challenging build plans, troubleshooting and problem solving and solar power. Build and rebuild over and over again. Detailed instructions take you through each step. Which will be your favorite? Your Solar Fun 6 kit contains unique components and parts to construct solar devices that operate on land, water and in the air. Construct six different solar powered models, each with its own unique functionality. After assembling a model, kids can easily reassemble components into different a model. These robots are powered by direct sunlight or a strong light. No batteries required. Learn about solar energy on land, water and in the air with these six models: Windmill, Revolving plane, Plane, Car, Puppy, and Airboat. For ages 8 and up. WARNING: CHOKING HAZARD - Small Parts. Not for children under 3yrs.