This one-of-a-kind planetarium includes a fully functional solar system with all nine planets that revolve around a “light-up” sun. Students can also use the planetarium function and two evening sky domes to project the evening sky on your classroom ceiling. The large earth/moon model function can be used to demonstrate the phases of the moon. Your class can even paint and decorate the planets using the glow-in-the-dark glaze included. Planetarium comes complete with fully illustrated student and teacher literature with detailed reference information on astronomy, and step-by-step operating manual. Requires four AA batteries (not included). Measures 19D x 12H".