Model Accessories -Science Toy DIY Model Science Project Kit Highlights Generic Brand Science Toy DIY Model Science Project Kit Description: Build your own Sun-Earth-Moon orbital science project with these model kits. Multiple moving axes on this gear model demonstrated the movement of the sun, earth, and moon. A great kit to encourage kids to explore the solar system and galaxy, while getting creative and using their imaginations for fun. Unassembled kit, you need to assemble them by yourself. Great educational gift for kids, children, teenage students. Specification: Power: 2*AA batteries (not included) Material: Wood & Metal & Plastic Size Chart: Size: 13 x 21 x 1cm/5.12 x 8.27 x 0.39inch Package includes: 1 Set of SUN EARTH MOON DIY Models