Level 5 puzzles are designed for expert solvers and collectors who want the ultimate challenge. These brain-bending puzzles can take days or weeks to crack and often feature deceptive designs, hidden tools, and multi-layered steps. What to expect: Advanced sequential discovery puzzles, multi-step secret boxes, and high-difficulty puzzles.
Steuerrad Puzzle Box - Sequential Puzzle
$1,161.00
Mission Impossible - IQ Puzzle For Adults
Starting at $326.00
Japanese Interlocking Ladder Puzzle
Starting at $382.00
PLD Puzzle Box
$573.00
Safe Puzzle - Very Hard Puzzle
$366.00
Japanese Crystal Puzzle - 51 Piece Japanese Interlocking Puzzle
Starting at $414.00
Safecracker Puzzle - Math Puzzle
Starting at $239.00
Titan Brass Puzzle - By Felix Ure
$1,447.00
Lock 64 - Coding puzzle
$541.00
Gift Card
Starting at $198.74
3D Pentomino Chess Cube Puzzle
$318.00
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Crazy Hard Puzzle - Group Special #2
$1,082.00
Hanayama Mastermind Trilogy Puzzle Set
$406.00
$477.00
10 Move Burr Puzzle - Piston Aluminum Burr
$891.00
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Hanayama Hardest Puzzle Set - Master the Impossible
$1,495.00
$1,876.00
Fit & Lock - Duo of Complexity
$732.00
Quaternary Box - 1,536 Step Karakuri Puzzle Box
$11,512.00
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341,718,750 Move Generation Puzzle Lock | Constantin Puzzles Collection
$3,339.00
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