This kit allows you to construct five functional solar-powered models: three distinct solar car designs, a solar fan, and a solar robot. The building system combines ultralight bamboo rods, plastic gears, and an efficient solar panel to ensure durability and performance. Through hands-on experimentation, users can explore how solar cells operate and observe practical applications of solar energy. Designed for model-building enthusiasts, it offers educational engagement beyond basic assembly. The set includes a 16-page full-color manual featuring straightforward step-by-step illustrations, clear instructions, and scientific explanations. This product has received the Parents' Choice Gold Award.