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Eye-on-the-Ball Teleidoscope
Eye-on-the-Ball Teleidoscope
$75.00
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Firefly GID Hoberman Mini Sphere $14.50

It's not just playing with a ball anymore.

On sunny days the GID sections shine in the shade.

To scale.
Open and closed mini Hoberman GID sphere to scale.
Click image to enlarge.
  • Expands from 5" to 12"
  • Page with ideas for 21 Cool Things to Do
  • Black and glow-in-the-dark green.
  • Experience geometry!
  • No assembly required.


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.


Closed Hoberman mini Firefly GID sphere.   Playing catch with the Hoberman mini sphere.
Open Hoberman mini sphere.
Click on an image to enlarge.

For ages 4+.

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