【4 in 1 STEM Kit】These science kits contain a solar powered car, a solar powered fan, a wind powered car and a wooden plane. Each toy is individually packaged.Includes Magnetized Screwdriver and Detailed instructions make it much easier and convenient to assemble the models | 【Family Stem Activities】This set of science experiments is a good way for parents and children to complete together, can also be used as a classroom STEM project | 【Unique Gift Idea】Our stem kits designed for kids age 8-12 are cool stuff and very suitable for elementary students to show their talents in a science fair. Packaged in a beautiful gift box, these toys are great gifts for boys and girls for birthday and Christmas | 【Easy To Assemble】Circuit connection is very simple, NO welding, suitable for kids to complete independently. Includes Magnetic Screwdriver and Detailed instructions make it much easier and convenient to assemble the models | 【Learn By Playing】Encourage kids to build their own models and enjoy DIY science activities. By playing with these electric kit, children's curiosity and interest in physics will be stimulated, and they'll know how much fun it is to create a circuit by themselves