Hoberman Original Sphere

The original Hoberman toy that's now a classic and a favorite of kids and adults.

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It's the original Hoberman toy and it's now a classic and a favorite of kids and adults everywhere. This expanding and contracting ball cleverly combines mathematics and geometry to create a surprising motion that fascinates everyone who sees it. Simply grab a link at each side of the Sphere, pull outwards and it grows from 23cm in diameter to a whopping 77cm! Give it a slight push and it will contract back to its original size. Great for simple machine discussions. It comes with a pulley, hardware and instructions to hang it as kinetic mobile.

Age: 4 +

What you get

         An Hoberman Original Sphere (rainbow colour)

         A pulley, cord and instructions

         Activity Sheet (21 Cool Things To Do)

         Educational fact sheet


How does it work?

Each ring is made up of lots of small plastic links joined together in pairs which fold and unfold in a scissor-like motion. This patented method of folding was discovered by Chuck Hoberman, an inventor with degrees in art and mechanical engineering. This is not only a fascinating toy, it is wonderful to engage children in learning about pulley, levers, pivot points etc in science of toys or simple machines unit. It also comes with a comprehensive educational booklet about the geometry of the Sphere, and an activity sheet detailing some 21 fun tricks you can do with it.


  • Simple machines - levers and pivots
  • Science of toys
  • Geometry and shapes

 WARNING: CHOKING HAZARD - Small Parts. Not for children under 3 years.

More Information
Length (cm) 27
Width (cm) 27
Height (cm) 26
Age Group 5-6 Years, 7-8 Years, 9-10 Years, 11-12 Years
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