The Challenge! - Coin Puzzle

Buy 5 or more for $6.25 each
Buy 100 or more for $5.95 each

The Challenge! - Coin Puzzle

$6.95
14 points (Avail: 0)
In Stock
Item #: PUZ-120
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  • Description
  • Product Reviews
Can you remove the quarter? Easier said than done! Here is a chance to put real science 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.