It's the original Hoberman toy! A classic and a favorite of kids and adults everywhere. 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.
recommended for ages 4 years and up.