--- product_id: 21232740 title: "Calibron 12 - One Of The Hardest Puzzles" brand: "creative crafthouse" price: "KD 19.72" currency: KWD in_stock: true reviews_count: 8 category: "Creative Crafthouse" url: https://www.desertcart.com.kw/products/21232740-calibron-12-one-of-the-hardest-puzzles store_origin: KW region: Kuwait --- # 6.3" x 6.3" challenging puzzle base 12 precision-cut hardwood pieces Handmade in USA, Hudson FL Calibron 12 - One Of The Hardest Puzzles **Brand:** creative crafthouse **Price:** KD 19.72 **Availability:** βœ… In Stock ## Summary > 🧠 Unlock the legacy of genius with every piece! ## Quick Answers - **What is this?** Calibron 12 - One Of The Hardest Puzzles by creative crafthouse - **How much does it cost?** KD 19.72 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.com.kw](https://www.desertcart.com.kw/products/21232740-calibron-12-one-of-the-hardest-puzzles) ## Best For - creative crafthouse enthusiasts ## Why This Product - Trusted creative crafthouse brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Master the Impossible:** Only the sharpest minds can solve this 12-piece brain teaser. - β€’ **Historic Genius Inside:** Designed by Theodore Edison, son of Thomas Edison, with laser-engraved story. - β€’ **Handmade American Quality:** Each puzzle is meticulously crafted in Florida for lasting durability. - β€’ **Crafted from Premium Woods:** Ash, Maple, Walnut & moreβ€”each piece a tactile work of art. - β€’ **Perfect Gift for Puzzle Aficionados:** Ideal for engineers, dads, and anyone who thrives on challenge. ## Overview The Creative Crafthouse Calibron 12 is a near-impossible 12-piece wooden brain teaser puzzle, handcrafted in the USA from at least four types of premium hardwoods. Measuring 6.3" x 6.3", it challenges even the smartest puzzle lovers with its precision-cut pieces and historic design by Theodore Edison, making it a perfect gift for intellectuals and collectors alike. ## Description Product description For Experienced Puzzlers An impossible wooden packing puzzle for adults who want a real challenge. Calibron 12 looks simple at first glance, but solving it is another story. This handcrafted wooden challenge delivers focused, screen-free problem-solving in a format that feels as good in your hands as it looks on the table. A True Challenge, Not a Casual Desk Toy. This Puzzle is Different. Calibron 12 is part of the Creative Crafthouse Impossible Series. Best for experienced puzzlers & adults who enjoy serious spatial challenges & packing puzzles.. If the goal is a quick brain teaser, this is not for you. If the goal is a genuine test of persistence and logic, this is for you . Precision Laser Cut and Engraved Every puzzle is cut on state of the art laser in our Hudson, FL woodshops Precision Laser Cut and Engraved Every puzzle is cut on state of the art laser in our Hudson, FL woodshops 1/4" Thick Puzzle Pieces Each puzzle piece of the calibron 12 puzzle is precision cut from 1/4" thick wood. 1/4" Thick Puzzle Pieces Each puzzle piece of the calibron 12 puzzle is precision cut from 1/4" thick wood. Mixed woods featured in every Calibron 12 puzzle Every Calibron 12 puzzle features a varied collection wood such as cherry, mahogany, and walnut. Mixed woods featured in every Calibron 12 puzzle Every Calibron 12 puzzle features a varied collection wood such as cherry, mahogany, and walnut. A Puzzle With History Originally invented in 1933 by Theodore Edison. The Calibron 12 traces back to a puzzle designed by Theodore Edison, son of Thomas Edison. This history is unique and differentiates it from many other puzzles, especially given the difficulty level, a perfect gift for enthusiasts and history buffs. Size and Included Contents Everything you need to start solving. Calibron 12 is sized to feel substantial on a desk or table without taking up too much space. It includes the puzzle base and cover, 12 puzzle pieces, and an instructions and solution sheet. Think you will be able to solve it or know someone up to the challenge? A Smart Gift for Curious Adults Looks right at home on a desk or coffee table. Calibron 12 makes a memorable gift for puzzle lovers, engineers, professionals, and anyone who enjoys a true mental challenge. It is the kind of brain teaser puzzle you leave out, come back to, and talk about. A gift that will not be forgotten. Choose Your Kind of Challenge The Calibron 12 Puzzle The Outback Puzzle The Safecracker 50 Math Puzzle Best For Experienced puzzlers, engineers, collectors Serious puzzlers, mathematicians, collectors Math puzzle fans, gift shoppers Difficulty Level Impossible Expert Hard Number of Pieces 12 5 1 Recommended Age 16 years and up 14 years and up Puzzle Type Packing, Logic, Assembly, Dissection Assembly, Dissection Math, Number, Logic ## Features - Simple concept, near impossible execution: The goal of the Calibron 12 is to fit all 12 pieces into the large opening of the puzzle's base. Many will try, but almost no one will be able to solve this puzzle. We do provide a solution and instructions. - PRECISION CUT WOODS - Made from high-quality woods including Ash, Maple, Walnut, Oak, Mahogany, Birch, and more. At least 4 different woods used in each puzzle - Perfect gift for your favorite genius and puzzle lover - Due to the extreme level of difficulty this puzzle is perfect for the very smartest of your friends and family. Ideal for the Dad who has everything or your engineer sister. - Handmade in the USA - Creative Crafthouse makes every Calibron 12 wooden puzzle right here in our Hudson FL workshop. The square opening is about 6.3" x 6.3" with 1/4" thick puzzle pieces cut from various different wood types. - Unique history and puzzle origin - The Calibron 12 was originally designed by Theodore Edison, son of inventor Thomas, in 1933. A brief history is laser engraved on the frame making it perfect for puzzle collectors and history fans. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00A7EZX74 | | Additional Features | Extremely challenging, Laser engraved, Portable | | Age Range Description | Adult | | Best Sellers Rank | #87,959 in Toys & Games ( See Top 100 in Toys & Games ) #184 in Handmade Toys & Games #290 in Assembly & Disentanglement Puzzles | | Brand Name | Creative Crafthouse | | Color | Multiple Colors | | Customer Package Type | Standard Packaging | | Customer Reviews | 4.7 out of 5 stars 341 Reviews | | Educational Objective | Logical Thinking | | Included Components | 12 puzzle pieces, Instruction and solution sheet, Puzzle base, Wood cover | | Is Assembly Required | No | | Item Dimensions | 9.4 x 7.5 x 0.9 inches | | Item Dimensions L x W | 9.5"L x 7.5"W | | Item Shape | Rectangular | | Item Weight | 0.65 Pounds | | Manufacturer | Creative Crafthouse | | Manufacturer Minimum Age (MONTHS) | 192 | | Manufacturer Part Number | Calibron | | Material Type | Wood | | Model Number | Calibron | | Number of Items | 12 | | Number of Pieces | 12 | | Number of Players | 1 | | Operation Mode | manual | | Play Activity Location | Tabletop | | Product Style | Calibron 12 | | Puzzle Type | Assembly & Disassembly | | Size | 9" x 7" with 12 pieces | | Skill Level | Expert | | Theme | Brain Teaser | | UPC | 696735679378 | | Unit Count | 12.0 Count | ## Images ![Calibron 12 - One Of The Hardest Puzzles - Image 1](https://m.media-amazon.com/images/I/91Ri8sARrsL.jpg) ![Calibron 12 - One Of The Hardest Puzzles - Image 2](https://m.media-amazon.com/images/I/71yiUJuOqNL.jpg) ![Calibron 12 - One Of The Hardest Puzzles - Image 3](https://m.media-amazon.com/images/I/816QuHhDn2L.jpg) ![Calibron 12 - One Of The Hardest Puzzles - Image 4](https://m.media-amazon.com/images/I/81alMSMuePL.jpg) ![Calibron 12 - One Of The Hardest Puzzles - Image 5](https://m.media-amazon.com/images/I/81bfkEosPgL.jpg) ## Questions & Answers **Q: is the answer sent with the puzzle?** A: Yes, we do include the solution with this puzzle. Try not to look though. **Q: looking for a difficult puzzle that can’t be solved in 10 minutes. Is this the one I’m looking for?** A: No, this puzzle is a challenge. I gave one to a relative & their extended family worked on it off & on thru Xmas vacation. My nephew did finally get it:))). It is addictive! **Q: After you solve the puzzle does this become a dust collector?** A: No! I have it out on my coffee table & anyone who sits near the table picks it up and gives it a try. My grandchildren work at it every time they are over:) **Q: Does this come with a cover?** A: Thanks for your interest. The version on amazon does not come standard with a cover; however a cover is available as a $4 option. The version on CreativeCrafthouse site does come standard with it. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by M***. on December 20, 2025* ### ⭐⭐⭐⭐⭐ Review *by K***5 on April 2, 2026* ### ⭐⭐⭐⭐⭐ Review *by O***E on December 29, 2025* ## Frequently Bought Together - Calibron 12 Handmade Wooden Puzzle – Hardest Brain Teaser for Adults & Teens - Difficult Puzzle for Adults - The Cracked Egg - 7 Piece Wood Brain Teaser Made in The USA from Creative Crafthouse - 10 Penny Puzzle - A Circle Packing Problem - Ten Mint Pennies are Included --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.com.kw/products/21232740-calibron-12-one-of-the-hardest-puzzles](https://www.desertcart.com.kw/products/21232740-calibron-12-one-of-the-hardest-puzzles) --- *Product available on Desertcart Kuwait* *Store origin: KW* *Last updated: 2026-05-21*