Hoberman Spheres — Great Office Stress Relievers!
Relieve stress and stimulate curiosity with a Hoberman Sphere. This colorful ball expands to create an interesting geometric sphere and easily folds back into its original shape. A great teaching tool and novelty item, a Hoberman Sphere is a unique addition to any workspace. Our selection of Hoberman Spheres come in different colors and sizes for work, teaching and fun!