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Gear Ball

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About Project Genius Meffert's Gear Ball

  • Brain teaser
  • Smooth and easy to turn
  • Sphere shaped, measures 3" in diameter
  • The objective is to bring the puzzle back to a single color on each side.  
  • The puzzle has a unique surface rotation that is "gear like" as any two halves are turns. The puzzle halves can rotate on three separate axis.
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