STEM 4 Set Solar Motor Kit,Wooden Model Electric Car Science Experiment Projects,Educational 3D Building Puzzles Electronic with 3 Different Motors for Kids,DIY STEM Toys for Boys and Girls

Product Description

【4 different toy sets individually packaged】: 4 different STEM toys with 3 different motors which can Powered by the Sun or Battery for your child to build, including solar plane, solar car, wind power car and electric fan. Adorable toy that keeps kids happily engaged for hours. 【2 Solar Toys-No batteries needed】: Powered by the sun,no batteries needed.The 2 Solar kits with 2 types speed motors include 2 solar power panels that collect solar heat energy into an electric energy drive motor, which drives the pulley to make the car/fan run smoothly. 【NO Welding NO Screws-Kids complete it by himself】Board assembly and circuit connection are very simple, no welding,no screws,each toy is individu…