Product Details
The Hoberman Sphere is the original award winning geometric expanding/contracting ball. Made of linked plastic struts each one is a marvel of mechani-cal engineering. Pull on any of the spheres hubs and watch as it expands dramatically from 9.5 to 30! Kids want to touch it, adults want to examine it, and everyone wants to play with it. All spheres come with a pulley, hardware and instructions to hang as a cool, kinetic mobile.
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