Rigid Solar Panels -DIY Electric Fan Model Science Toy Physics Experiment Student Assemble Toy B Highlights Generic Brand DIY Electric Fan Model Science Toy Physics Experiment Student Assemble Toy B Description: Power supplies: battery powered (not included) and solar powered converted into electric energy via solar panel - electric motor connected, it will run and rotate. Great educational science energy conversion experiments toy. Develop children's hand-eye coordination, help children experience power theory, and develop children's scientific and mechanical interest. DIY Solar Powered Electric Fan Model Building Kits. Good physical and scientific toy. Applicable age: 6-14 years old; Specification: Material: Plastic Size: (Assembled Size) A - Approx. 90x75x125mm/3.54x2.95x4.92inch B - Approx. 90x75x110mm / 3.54x2.95x4.33inch C - Approx. 110x45x146mm / 4.33x1.77x5.75inch Style A powered by 2 AA batteries (not included) Style B and Style C powered by solar panel Package includes: 1 Piece DIY Electric Fan Kit