The Karpinski's Coin Penetration is a decorative box that holds a piece of glass. A coin is placed into a hole on top of the box and, upon your command, passes through the piece of glass and falls through the bottom.
The Karpinski's Coin Penetration is a decorative box that holds a piece of glass. A coin is placed into a hole on top of the box and, upon your command, passes through the piece of glass and falls through the bottom.
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