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Calibron 12 Wood Puzzle - An Impossible Brain Teaser for Adults Calibron 12 Wood Puzzle - An Impossible Brain Teaser for Adults

Calibron 12 Wood Puzzle - An Impossible Brain Teaser for Adults

Creative Crafthouse
$ 39.99
$ 38.00
In stock

The Calibron 12 is one of the hardest wood brain teaser puzzles for adults

Out of all the brain teaser puzzles we make Calibron 12 is the most challenging . Even veteran puzzlers will struggle trying to solve this hard brainteaser.

The goal of the puzzle is actually quite simple despite the near impossible task of solving it. All you need to do is fit the 12 wood pieces into the square. Can you figure out the solution to the Calibron 12?

Difficulty Level 10 out of 10

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Each wooden puzzle piece is laser cut form various types of hard wood. Some of the different strains of wood we use are:
  • Alder
  • Cherry
  • Maple
  • Hickory
  • Ash
  • Walnut
  • Alder
  • Mahogany

There is actually a bit of interesting history for this wood puzzle. Believe it not Thomas Edison's son designed the Calibron 12 in 1933

The Puzzle measures 9" x 7" in the base with the square opening is about 6.3" x 6.3".    We also include a cover for the puzzle for better storage when you are not trying to solve or have it out on the coffee table for quests.

If you would like to personalize this puzzle with a custom engraving please contact me.

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