Rainbow Hoberman Sphere
$16.99
The Hoberman Sphere is the original award winning geometric expanding/contracting ball. 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.
6 in stock
Description
Made of linked plastic struts each one is a marvel of mechani-cal engineering. Pull on any of the sphere’s hubs and watch as it expands dramatically from 9.5” to 30”! An educational booklet about the geometry of the Sphere and a “21 Cool Things to Do” activity sheet is also included.
