Extreme difficult puzzles are often crafted from wood or metal and require intricate manipulation skills and a deep understanding of the underlying mechanisms to solve. Some examples include complex mechanical puzzles, secret opening puzzles, take apart puzzles, brain teaser puzzles, and intricate burr puzzles with numerous interlocking pieces. These puzzles can be challenging but also very rewarding when solved.
New Secret Box Ⅱ - Karakuri Puzzle Box
$102.80
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6 sun 54 steps +1 Japanese Puzzle Box
$374.00
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Japanese Puzzle Box - 6 sun 54 steps +1 secret space
$364.00
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Karakuri Puzzle Box XYK 13 steps
$624.00
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Super CUBI 324 Step YOSEGI MUKU SB - Limited Edition Japanese Puzzle Box
$1,148.00
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6 sun 54 steps +1 Japanese Puzzle Box
$374.00
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Puzzle Box - 7 sun 72 steps +1 secret space inside the lid
$722.00
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