Hansen M1301 Rainbow Hoberman Mini Sphere Bright colors bring out the fun in this ball-shaped toy. Hoberman Mini Sphere Rainbow is a rainbow of color you can throw, bounce, kick, spin, roll and suspend. The Mini Sphere also magically expands from 5 inches to 12 inches and it is addictive so just TRY to put it down. Unique and colorful, these spheres inspire children to be creative and inventive. Perfect for kids and stressed-out adults who want a little fun.