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This fits your .

  • Make sure this fits by entering your model number.

  • 12 Hardwood pieces with at least 4 different woods make up the set. New - now comes with cover.

  • Comes unsolved. Your goal is to fit all the pcs into the large opening

  • Extraordinarily difficult, yet it doesn't appear so at first

  • Made in Hudson, Florida by Creative Crafthouse

  • Originally designed by Theodore Edison, son of inventor Thomas, in 1933

  • Creative Crafthouse Calibron 12 Brain Teaser Very Difficult Wood Puzzle 12 Pieces