Open Frame Impossible Puzzle - Clever Secret Opening Puzzle

$28.00
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The lock mechanism used in this puzzle is used in many escape room. The Open Frame mechanical brain teaser requires a little cunning and dexterity to reveal the treasure inside. This ingenious trick Open Frame is the perfect gift- or the perfect way to give someone a gift!

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Open Frame Impossible Puzzle  - Clever Secret Opening Puzzle
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$28.00