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 203 matching items. For More Results - Page: 1 2 3 4 5 6 7 8 9 10    Sort: Bestselling!NewestAlphabetical (A-Z)Alphabetical (Z-A)Price (Low to High)Price (High to Low) Include Out-Of-Stocks Money Maze - Money Puzzle $10.95 Gift Card Money Maze - Money Puzzle $5.95 Bilz Cosmic Pinball - Money Puzzle $12.95 Bilz Mini - Money Puzzle $8.95 Seriously Secret Treasure Box - Money Puzzle $7.49 Bilz Mini (Blue) - Money Puzzle $8.95 Bilz Box (Blue) - Money Puzzle $10.95 Two Toned Confidential Keeper - Puzzle Box $14.95 Bilz Mini (Green) - Money Puzzle $8.95 Wooden Money Maze - Money Puzzle $18.95 Lunatic Lock - Puzzle Lock $8.95 Seriously Secret Treasure Box: Classic Wood - Money Puzzle $6.95 Free the Key: Mini Edition - Brain Teaser $8.95 Get Charged - Brain Teaser $9.95 Don't Break the Bottle (Wood) - Brain Teaser $23.95 Rubik's 3 x 3 Cube $11.95 Loop - Cast Puzzle $11.95 Ring - Cast Puzzle $11.95 Key 2 - Cast Puzzle $11.95 Don't Break the Bottle (Metal) - Brain Teaser $19.95 Blackbeard's Revenge (Group 4) - Tavern Puzzle $18.95 For More Results - Page: 1 2 3 4 5 6 7 8 9 10 203 matching items Narrow down: By Type: Brain Teasers | Assembly Puzzles | Burr Puzzles (1) Brain Teasers | Assembly Puzzles | Interlocking (11) Brain Teasers | Assembly Puzzles | Magnetic (5) Brain Teasers | Assembly Puzzles | Models (2) Brain Teasers | Assembly Puzzles | Stackable (7) Brain Teasers | Beginner (1) Brain Teasers | Classics (12)   See More Types... Brain Teasers | Disentanglement (2) Brain Teasers | Disentanglement | Cast Puzzles (28) Brain Teasers | Disentanglement | More... (11) Brain Teasers | Disentanglement | Parlor Puzzles (1) Brain Teasers | Disentanglement | Tavern Puzzles | Box Sets (1) Brain Teasers | Disentanglement | Tavern Puzzles | Intermediate (9) Brain Teasers | Disentanglement | Tavern Puzzles | Show All (9)   See The Rest... Brain Teasers | Disentanglement | Wood Puzzles (6) Brain Teasers | Disentanglement | Wood Puzzles | Intermediate (3) Brain Teasers | Disentanglement | Wood Puzzles | Show All (6) Brain Teasers | Don't Puzzles (4) Brain Teasers | Entrapment Puzzles (15) Brain Teasers | Intermediate (8) Brain Teasers | Key Chains (2) Brain Teasers | Mazes (7) Brain Teasers | Money Puzzles (10) Brain Teasers | More... (9) Brain Teasers | Pattern Matching (9) Brain Teasers | Peg Puzzles (11) Brain Teasers | Pocket Sized Puzzles (3) Brain Teasers | Puzzle Boxes (1) Brain Teasers | Puzzle Boxes | $35 & under (1) Brain Teasers | Puzzle Boxes | $36 to $50 (1) Brain Teasers | Puzzle Boxes | $51 to $75 (5) Brain Teasers | Puzzle Boxes | American (4) Brain Teasers | Puzzle Boxes | American | Large (1) Brain Teasers | Puzzle Boxes | American | Medium (4) Brain Teasers | Puzzle Boxes | Japanese (23) Brain Teasers | Puzzle Boxes | Japanese | 1 Mame (3) Brain Teasers | Puzzle Boxes | Japanese | 2 Sun (6) Brain Teasers | Puzzle Boxes | Japanese | 3 Sun (1) Brain Teasers | Puzzle Boxes | Japanese | 4 Sun (6) Brain Teasers | Puzzle Boxes | Japanese | Medium (1) Brain Teasers | Puzzle Boxes | Japanese | More… (8) Brain Teasers | Puzzle Boxes | Japanese | Small (3) Brain Teasers | Puzzle Cubes (9) Brain Teasers | Puzzle Cubes | Special Shapes (1) Brain Teasers | Puzzle Locks (1) Brain Teasers | Puzzle Rings | 4 Band Rings (12) Brain Teasers | Puzzle Rings | 6 & 7 Band Rings (3) Brain Teasers | Puzzle Rings | Sterling Silver Rings (15) Brain Teasers | Rubik's (4) Brain Teasers | Sequential Puzzles (4) Brain Teasers | Show All (2) Brain Teasers | Sliding Puzzles (2) Brain Teasers | Travel Puzzles (5) Brain Teasers | Volumetric Puzzles (15) Cool Stuff (10) Games | More... (1) Games | Party (1) Games | Strategy (1) Gift Sets (1) Great Gifts (12) Hoberman (1) Jigsaw Puzzles | By Theme | Animals | Butterflies & Insects (1) By Difficulty: Intermediate X By Ages:     4 yrs & up (4)     5 yrs & up (11)     6 yrs & up (12)     7 yrs & up (5)     8 yrs & up (35)     10 yrs & up (9)     14 yrs & up (2) By Price:     $10 & under (76)     $11 to $15 (53)     $16 to $20 (17)     $21 to $25 (11)     $26 to $30 (7)     $31 to $40 (13)     $41 to $50 (5)     $51 to $75 (16)     $76 to $100 (4)     over $100 (1) Get SERIOUS... SeriousChai.com   - Chai Tea, Big Train, Ghirardelli SeriousFlags.com   - Garden Flags, Toland Flags, Decorative Flags SeriousCards.com   - Playing Cards, Chess, & Games SeriousPlush.com   - Plush Toys, Stuffed Animals SeriousPuzzles.com   - Jigsaw Puzzles, Brain Teasers, Money Puzzles   Headquarters: SeriousShops.com 1812 Underwood Blvd. STE 4 Delran, NJ 08075 US United States Copyright © 2001 - , all rights reserved SeriousPuzzles.com®, an AJM & Co., Inc. company SeriousShops.com, a network of online stores. Customer Service Contact Us Live Chat Returns Shipping Guarantee Bulk Orders & B2B Volume Orders Corporate Sales Institutional Sales Policy Stuff Privacy Policy Conditions of Use More Missing pieces? Solutions A really big puzzle! Account My Cart My Account My Orders Sign In Register About Us Why & How Who's Serious? Recognition Read our blog! SeriousShops.com Site Map Experience Tell us what you think Report a problem

Interlocking: This means that adjacent pieces are connecting such that if you move one piece horizontally you move all, preserving the connection.