Demonstrate rotation, revolution, and orbit with this solar system set. Teach the position, order, size, and shape of the planets and sun. Features: Includes all 8 planets. Contains 146 pieces for you to assemble. Product material is EPS foam and paper cardboard. The planets are moveable.
Learn about stored energy while building an easy to assemble Slingshot catapult! Use principles of physics like Kinetic energy, potential energy and Projectile motion to create an slingshot catapult. Features: Contains 178 pieces for you to assemble. Product material is EPS foam and paper...