Salt Water Powered Racing Car

Science Kits for Kids: This Stem toy includes 2 vehicles powered by the chemical reaction of salt water and charcoal for kids ages 5+ to enjoy hands-on learning experience. Car Racing Games: Assemble an exciting moving car with the kids that they are proud of. The car toys will work multiple times. This will be a two-hour family fun. Creativity for Kids: This educational learning toy stimulates kid's scientific interest through fun scientific experiments, improves hands-on and thinking skills, and makes them focus on the fun of exploration and discovery. Powered By Green Energy: No battery needed, the green toy is powered by the chemical reaction of salt water and magnesium sheet,and is safe and non-toxic. Super Value Pack: This amazing science experiment includes 2 racing vehicles, necessary components, accessories, and easy-to-follow instructions.Discover a racing world of green energy. How to install wiresNote: This is the position of the red and black wires, please operate corr