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 > Advanced > Assembly > Beginner > Classics > Disentanglements > Don't Puzzles > Entrapment > Extreme > Intermediate > Keychains > Mazes > Money Puzzles > More... > Pattern Matching > Peg Puzzles > Pocket Sized > Puzzle Boxes > Puzzle Cubes > Puzzle Locks > Rings > Rubik's > Sequential > Show All > Sliding > Sudoku > Tangle > Travel > Volumetric  > Puzzle Boxes   Show All     $35 & under     $36 to $50     $51 to $75     $76 to $100     over $100     American     Japanese     Polish   ...unique and challenging containers, with a rich history; puzzle boxes or secret boxes are sequential conundrums that may require many steps or moves before they will open. Before you can make your moves, try to find out what moves! We sell boxes of all different sizes and difficulty ratings. Use the menu to your left to locate the box you are looking for. We stock boxes that originate from several different regions: American Puzzle Boxes, Japanese Puzzle Boxes, Polish Secret Boxes 1-9 of 9 matching items. For More Results - Page: 1    Sort: Bestselling!NewestAlphabetical (A-Z)Alphabetical (Z-A)Price (Low to High)Price (High to Low) Include Out-Of-Stocks Heart Knock (Maple & Bloodwood) - Puzzle Box $36.00 Rock It (Walnut & Maple) - Puzzle Box $56.95 Button Deluxe (Padauk, Maple, Walnut) - Puzzle Box $55.00 Spin Perimeter (Bird's Eye Maple) - Puzzle Box $52.00 Yin & Yang (Maple & Bubinga) - Puzzle Box $55.00 Terra I (Bubinga, Cherry, & Bloodwood) - Puzzle Box $55.95 Spin Diamond (Padauk) - Puzzle Box $52.00 Gravity Leaf (Walnut & Maple) - Puzzle Box $54.95 Navigator - Puzzle Box $55.00 For More Results - Page: 1 9 matching items Narrow down: By Type: Brain Teasers | Puzzle Boxes | American X Goto this section. By Difficulty:     Intermediate (4)     Advanced (5) By Ages:     8 yrs & up (1) By Price:     $31 to $40 (1)     $51 to $75 (8) 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.