Demonstrate rotation, revolution, and orbit in 3 dimensions with this durable, washable solar system set. Teach the position, order, size, and shape of the planets and sun. Also great for creating an out-of-this-world playroom or bedroom. Each colorful planet (and sun) inflates easily. Loops included for easy hanging. This unique solar system set turns any room into an intergalactic experience. Includes: 8 planets with hanging hooks, Pluto, Sun, Earth´s Moon, convenient foot pump, activity guide with fun planet facts, and a repair kit. Sun measures 23" in diameter, Jupiter measures 14" in diameter, Saturn measures 11.5" in diameter and includes attached rings, Neptune measures 9" in diameter, Uranus measures 9" in diameter, Venus measures 7.5" in diameter, Earth measures 7.5" in diameter, Mars measures 6" in diameter, Mercury measures 6" in diameter, Pluto measures 5" in diameter, and Earth´s moon measures 5" in diameter. Grades K+.