Amazingly, astoundingly, expandable! The original Hoberman toy, this fantastic colourful sphere expands outward with a magical motion that amazes everyone who sees it. A classic toy and a favourite of kids and adults everywhere, the Large Sphere expands from 9 " to 30 " in diameter. Throw it up into the air and watch it expand out - its capable of folding down to a fraction of its normal size using the scissor-like joints. Hang it in your room as a cool kinetic sphere or use it to amaze your friends! All Spheres come with a pulley, hardware and instructions, an educational booklet about the geometry of the Sphere.