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.
– 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″