My Cart | Sign In Contact | Returns | Shipping | Privacy   Questions? Live Chat Or, call: 1-856-461-8883 Home | My Cart Search All Items:  You have 0 item(s) in your cart worth $0.00  Jigsaw Puzzles $Money Puzzles Brain Teasers   - Assembly   - Classics   - Disentanglements   - Don't Puzzles   - Entrapment Puzzles   - Key Chains   - Mazes   - Money Puzzles   - Pattern Matching   - Peg Puzzles   - Pocket Sized   - Puzzle Boxes   - Puzzle Cubes   - Puzzle Locks   - Rings   - Rubiks   - Sequential   - Sliding   - Sudoku   - Tangle   - Travel   - Volumetric   - More...   Other:   - Books   - Cool Stuff   - Games   - Hoberman   - Puzzle Boxes   - Puzzle Cubes   - Puzzle Rings   - Rubik's Cubes   More:   - Eco-Friendly   - Made in USA   - New Items   - Sale Items   - Top Sellers     - Accessories   - Gift Sets   - Great Gifts   - Solutions     Volume Orders & Corporate Sales   Institutional Sales What sets us apart from others? Free Standard Shipping* on all orders $60.00 or more! read more Same Day Shipping on orders placed before 4pm EST, M-F! read more Customer Service in just a moment's notice, 9am to 6pm EST M-F! Email, Phone, or Live Chat, read more Brain Teasers   Show All     Assembly     Classics     Disentanglements     Don't Puzzles     Hoberman     Keychains     Mazes     Money Puzzles     Pattern Matching     Peg Puzzles     Pocket Sized     Puzzle Boxes     Puzzle Locks     Rings     Rubik's     Puzzle Cubes     Sequential     Sliding     Sudoku     Tangle     Travel     Volumetric     More...     Beginner     Intermediate     Advanced     Extreme   ...an enigma; puzzling, ambiguous, or inexplicable. Our brain teaser category spans many types of puzzles, made of various materials, with all kinds of solutions. Brain teasers are puzzles that require a different kind of thinking, also known as lateral thinking. The solutions are elusive and probably not straight-forward. Browse our Brain Teaser sub-categories by clicking through the navigation menu to the left. 1-21 of 121 matching items. For More Results - Page: 1 2 3 4 5 6    Sort: Bestselling!NewestAlphabetical (A-Z)Alphabetical (Z-A)Price (Low to High)Price (High to Low) Include Out-Of-Stocks Bilz Cosmic Pinball - Money Puzzle $12.95 Two Toned Confidential Keeper - Puzzle Box $14.95 Rubik's 3 x 3 Cube $11.95 Quartet - Cast Puzzle $11.95 Coil - Cast Puzzle $12.95 Loop - Cast Puzzle $11.95 Nutcase - Cast Puzzle $15.95 Square - Cast Puzzle $11.95 Duet - Cast Puzzle $11.95 Chain - Cast Puzzle $11.95 Ring - Cast Puzzle $11.95 Quadruple 2x2 Cube - Puzzle Cube $14.95 H & H - Cast Puzzle $11.95 Soma Cube Premium - Wooden Assembly Puzzle $13.95 Spiral - Cast Puzzle $11.95 Key 2 - Cast Puzzle $11.95 Coaster - Cast Puzzle $11.95 Rattle - Cast Puzzle $11.95 Marble - Cast Puzzle $11.95 Devil - Cast Puzzle $11.95 O'Gear - Cast Puzzle $11.95 For More Results - Page: 1 2 3 4 5 6 121 matching items Narrow down: By Type: Accessories (3) Accessories | Stands & Displays (2) Brain Teasers (2) Brain Teasers | Advanced (3) Brain Teasers | Assembly Puzzles | Burr Puzzles (4) Brain Teasers | Assembly Puzzles | Interlocking (8) Brain Teasers | Assembly Puzzles | Stackable (7)   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.