STEM Building Toys for Kids Ages 8-12, Science Experiments & Solar Car Projects

【4 different toy sets individually packaged】: 4 different STEM toys which can Powered by the Sun or Battery for your child to build, including solar car, solar fan, wind power car and wooden plane.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 include 3 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.
【2 Motor Toys-Powered By Battery】Built with battery operated motor, the 2 models can move easily after installing two AA batteries(NOT included). Wonderful science gift for 8+ year old boys and girls for birthday, Christmas and Children’s Day.
【Easy to assemble-Kids complete it by himself】Circuit connection is very simple, no welding, each toy is individually packaged, can be assembled after one and then the next, suitable for kids to complete independently. Includes Magnetic Screwdriver and Detailed instructions make it much easier and convenient to assemble the models.
【Safety Tested & Environment friendly】 The 4-in-1 STEM toys are tested at rigorous lab on regular basis. With non-sharp Edge, it is non-toxic. What You Get: 4-in-1 STEM educational building kit with a magnetic screwdriver.