It's the original Hoberman toy. It expands from 9.5" to 30" in diameter with a magical motion that amazes everyone that sees it. All Spheres comes with a pulley, hardware and instructions to hang as a cool, kinetic mobile, an educational booklet about the geometry of the Sphere, and a "21 Cool Things to Do" activity sheet.
It's the original Hoberman toy. It expands from 9.5" to 30" in diameter with a magical motion that amazes everyone that sees it. All Spheres comes with a pulley, hardware and instructions to hang as a cool, kinetic mobile, an educational booklet about the geometry of the Sphere, and a "21 Cool Things to Do" activity sheet.