List Price: $49.99 Deal Price: $31.45 You Save: $18.54 (37%)Explore your universe with this inflatable classroom set. Teach size and distance relationships of the planets, the moon and the sun. Learn rotation, revolution and orbit through class activities or demonstrations using this realistic looking set. This unique solar system set will help you create an out-of-this-world playroom or bedroom.Expires Jan 20, 2011