The Challenge! - Coin Puzzle

The Challenge! - Coin Puzzle

$6.95 $5.95
12 points (Avail: 0)
In Stock
Item #: PUZ-120
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Rated 4.0 out of 5, based on 3 reviews. Write a Review
  • Description
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Can you remove the quarter? Easier said than done! Here is a chance to put real scientific principles to the test! How many solutions can you find? We include the five solutions that we discovered. Makes a great gift. Made in Germany. (Quarter not included.)