Jumbo Transforming Hoberman Sphere 80cm

A mesmerizing sensory resource, Chuck Hoberman’s famous magically transforming expanding isosidodecahedron opens from 25cm to an amazing 80cm in diameter! It's a marvel of mechanical engineering. Watch it expand and contract as you throw it, roll it or bowl it.

Includes a pulley, hardware and instructions to hang as a kinetic mobile. Also includes an education booklet.