The Smithsonian Planetarium Projector STEM Disc Kit is an educational toy designed for kids aged 6 and up. This interactive kit includes a planetarium projector and STEM discs, allowing children to explore the wonders of astronomy in an engaging and hands-on manner. With dimensions of 11.8 x 15.24 x 5.4 inches and a weight of 2.720 lbs, this science kit is the perfect tool for young minds to learn about the stars and planets in a fun and interactive way.