This is the original Hoberman sphere. It is now a classic and favorite of kids and adults everywhere. It expands from around 9" to 30" in diameter with a magical motion that amazes everyone that sees it. Everyone in the house should have their own, because nobody will want to share.
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
- Ages 4 and up.