Hoberman Large Expanding Sphere Toy. The Hoberman Expanding Sphere is an award winning toy great for all ages. A sphere of color that you can throw, bounce, kick, spin, roll and suspend. It even expands from 9.5" to 30". Unique and eye-catching, these spheres inspire children to be creative and inventive. Dimensions: 10.50" L x 10.25" W x 9.75" H Weight 1.75 lbs.