A secret opening puzzle is a type of puzzle box that has a hidden compartment that can only be accessed by solving a puzzle. The puzzles can vary in difficulty, from simple slide puzzles to complex mechanical contraptions. These puzzles are often made of wood and can be quite intricate. They make a great gift for puzzle enthusiasts or anyone who enjoys a challenge.
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Puzzle Lab – Beginner Puzzle Set for Kids
$581.00
$684.00