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For More Results - Page: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22    Sort: Bestselling!NewestAlphabetical (A-Z)Alphabetical (Z-A)Price (Low to High)Price (High to Low) Include Out-Of-Stocks Wood Panel Treasure Chest - Brain Teaser & Puzzle Box $12.95 Perplexus - 23 Foot Track In A Sphere - Maze Game $24.95 Cage - Cast Puzzle $11.95 Rubik's 4 x 4 Cube $21.95 Fifteen Puzzle - Classic Slider Puzzle $9.95 Vortex - Cast Puzzle $11.95 Pharaoh - Puzzle Cube $6.95 Wooden Stand for Tavern Puzzles $11.95 Satan's Stirrup (Group 4) - Tavern Puzzle $18.95 Violin - Cast Puzzle $11.95 Elk - Cast Puzzle $11.95 1x2x2 - Puzzle Cube $4.95 Don't Break the Bottle (Vise) - Brain Teaser $18.95 Oskar's Maze - Metallic Maze $15.95 Free The Key: Grandfather Edition - Brain Teaser $9.95 Heart Knock (Maple & Bloodwood) - Puzzle Box $36.00 Bird In The Nest - Wooden Brain Teaser $16.95 Claws - Metal Pocket Puzzle $4.95 Tangle Jr. Fuzzies - Brain Teaser $3.95 Conundrum - Burr Puzzle $11.95 Ball of Whacks (Red) - Magnetic Puzzle $34.95 For More Results - Page: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 459 matching items Narrow down: By Type: Accessories (8) Accessories | Stands & Displays (5) Brain Teasers (10) Brain Teasers | Advanced (21) Brain Teasers | Assembly Puzzles | Advanced (2) Brain Teasers | Assembly Puzzles | Burr Puzzles (6) Brain Teasers | Assembly Puzzles | Extreme (1)   See More Types... 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Interlocking: This means that adjacent pieces are connecting such that if you move one piece horizontally you move all, preserving the connection.