BeebeeRun Science Kits for Kids Marble Run Racing Track Toy Set Solar Powered STEM Education Toys Age 8-12

REAL WORKING SOLAR-POWERED ENGINEThe kit includes a solar panel that powers the positive and negative cables. Children will build a real working solar-powered motor that serves as the motorized foundation for each robot model! *For best results: use outdoors on a sunny day! STEM ToyAt the same time of playing parents can tell them the energy conversion of the toyinclude Solar energy kinetic energy gravitational potential energy. This is a great way for your child to get started in robotics toy. Manufactured by BeebeeRun. Size9*7.2*2.8inches 100% Satisfying After-sale ServiceThe best gift choice for Christmas|Birthday|Childrens Day|STEM|School Activity. We provide 90-day free return policy if you are not satisfied with it. NEW!New marble run toy setBy using the solar energy to transfer the ball to the Racing Track.marble run set with transparent parts endless fun for your child to watch marbles run along tracks