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Eye-on-the-Ball Teleidoscope
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Original Hoberman Sphere - Rainbow $35.50

It's not just playing with a ball anymore.

Play catch or turn it into a hanging kinetic sculpture with the enclosed pulley and cord. Full instructions with diagrams are included for mounting the pulley.

To scale.

Click to enlarge.
 
  • Expands from 9.5" to 30"
  • Page with ideas for 21 Cool Things to Do
  • Rainbow (red, orange, yellow, green, and blue) colors
  • Experience geometry!
  • No assembly required.

Two videos featuring the original Hoberman sphere follow. The one on the left (or top) shows the geometry of an open sphere. The video on the right (or bottom) uses a closing sphere to model the collapse of a star.

Our kids like to play catch with an open sphere. The challenge is catching it open and allowing it to close just at the right time. This game is restricted to outdoors at our house.

Fully expanded Hoberman sphere.


  Playing catch the Hoberman sphere.
Partially open Hoberman sphere.

Click on an image to enlarge.
Compact for travel back home.

For ages 4+.

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