The Hoberman Sphere expands and contracts with a magical motion so fluid and simple. Kids can play with it for hours. A master of illusion, the sphere can be thrown, bounced, kicked, spun, rolled or suspended from the ceiling.
The polymer links allow the sphere to change in volume 30 times larger.
Features:
– Includes an educational booklet about the sphere, a 21 Cool Things To Do activity sheet, a pulley, and hanging hardware.
– Instructions for hanging as a cool kinetic energy mobile.
– Magically expands from 9.5″ to 30″
– For ages 4+