STEM Rainbow Marble Run

Highlights 10 bases 55 action pieces 135 smooth-run tube pieces 6 different colored marbles UV light Batteries: 3 LR41 batteries required. (included) Marble runs are the best way to get to grips with the incredible world of STEM and gravity, and the STEM Rainbow Marble Run makes all that as entertaining as possible. Your children will be entranced by the incredible variety of multicolored pieces which they can put together to create a marvelous adventure marble run. There is little holding your children back when all their senses are being stimulated and they are seeing STEM in action. Information Product Dimensions: 2 x 7.25 x 10 inches Item Weight: 15.5 ounces Manufacturer Recommended Age: 7 years and up