Original Hoberman Sphere - Rainbow

Sphere of angled hinges that expands from 9 inches to 30 inches. Encourages gross motor skills, scientific exploration, and an interest in geometry and engineering. Science becomes magic and becomes science again! Expands with a mesmerizing motion of so many colorful hinges. It can be thrown, bounced, kicked, spun, rolled, or suspended from the ceiling. Great for teaching, playing, or displaying as an object of art. Includes rainbow-colored Hoberman sphere, pulley, and hardware for hanging. High-quality design and materials for lasting durability