Level 4 puzzles push the limits of patience, logic, and spatial reasoning. These puzzles design often involve multiple steps or layers and can take hours or multiple sessions to solve. What to expect: Intricate burr puzzles, puzzle boxes with hidden internal mechanisms, and early-stage sequential discovery puzzles.
Viking Puzzle Box
$764.00
Centrale Box - Puzzle Box
$398.00
Double Gear Maze Puzzle - Escape Room Puzzle Maze
$462.00
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The Explorer Subscription Puzzle Box For Experts - Difficult Puzzles For Adults
Starting at $334.00
The Trap Puzzle - Challenging Puzzle
Starting at $191.00
E-Box Puzzle - Coding Puzzle Box
$652.00
Hanayama Ripple Puzzle
$159.00
Cylinder Spin - Brain Teaser
Starting at $287.00
Instant Insanity Coding Puzzle
$144.00
Wooden Sudoku Cube Puzzle
$318.00
Japanese Puzzle Box 5 Sun 35+1 steps - Level 10 Puzzle Box
$1,893.00
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Labyrinth Maze Puzzle
$334.00
Hanoi Tower 9 - Logic Puzzle
$255.00
Sternary Puzzle Box - By Jean-Claude Constantin
$1,066.00
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4 Escape Room Puzzle Set - Difficult Brain Teaser Puzzles For Adults
$1,527.00
$1,797.00
Sky Tower - Complex Packing Puzzle
Starting at $318.00
Gift Card
Starting at $198.74
Pentomino Chess Puzzle
$223.00
Golf Puzzle Box
$207.00
Spiral Puzzle - Hanayama Puzzle
$159.00
24 Piece Star Puzzle
Starting at $318.00
Ball in Jail - Brain Teaser Puzzle
Starting at $128.00
Altekruse Puzzle - 3D Wooden Brain Teaser Puzzle
Starting at $128.00