brian teasers

  1. Calibron 12 - Puzzle of the Week

    Calibron 12 Puzzle of The Week Feature

    This week's puzzle feature is on the Calibron 12. Out of all of our different brain teasers I rank the Calibron 12 in the top 5 in terms of difficulty. With that being said it is a wonderful puzzle because the concept is so simple. All you need to do is fit each of the 12 pieces in the available space. It is the type of brainteaser anyone can try, but very few will actually solve without assistance from the instructions.

    The puzzle also has a pretty interesting:

    Originally designed in 1933 by Theodore Edison, son of the famous inventor Thomas Edison, and made by his company Calibron Products of West Orange, N.J.   It was offered as just pieces and you were told they made a rectangle and there was only 1 solution.  

    A friend of my Dad actually performed a computer analysis on the puzzle to verify this. It turns out the only possible solution is a square shape, as verified by Ken Irvine's computer analysis. Ken is working on a full analysis of the puzzle, with ex

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  2. Best White Elephant Gift Ideas Under 20 Dollars

    Best White Elephant Gift Ideas Under 20 Dollars for Puzzles

    The search for the best White Elephant gift and staying under 20 dollars is no easy task. Instead of a joke, funny, or prank gift why not try something they will actually enjoy and keep like a puzzle? We have a fantastic selection of puzzles, brain teasers, magic tricks, and 3d puzzles that will be at the top of everyone's White Elephant list when selection the best gift. Below is a hand picked selection sure to impressive the office, your friends, coworkers, or family at this year's White Elephant party. You can also browse our entire selection of puzzles between $10 - $20.00.

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