Extreme Difficult Puzzles

Our 12 Escape Room Puzzle Gift Set comes in a stylish, wooden, handcrafted box with a cozy compartment for each puzzle. It’s the ideal gift for all ages and skill...

You will be forced both literally and figuratively to think outside the box with this puzzle designed by the great Jean Claude Constantin. The PLD Puzzle Box contains two sliding...

The E-Box Puzzle is a chic, elegant coding puzzle with colorful wheels that spin on the top lid. The objective is to “program” the puzzle box to open, revealing the...

Our 9 Mechanical Puzzle Variety Set comes in an attractive wooden, handcrafted box with a compartment for each puzzle. It’s the perfect gift for incredibly skilled or expert level puzzlers....

Packing puzzles can challenge even the most experienced puzzlers! Our Mission Impossible Puzzle certainly lives up to its name as one of the hardest packing puzzles we have in our...

The Two-In-One Sequential Puzzle Box is a sophisticated combination of a sliding gauge puzzle with a distinctive maze apparatus. The first objective is to solve the labyrinth by releasing the...

Are you a musician? Are you an expert problem-solver? The Piano Secret Puzzle Box requires full attention to the most minute details, just like the brain of any musician. The goal...

When this puzzle was designed, there’s no doubt why they called it the Grandfather of all Burrs. No exaggerations were made, and you’re in for quite a challenge. This Puzzle...

This inventive adaptation of the classic disentanglement puzzle “Salvador String” requires even the most experienced puzzlers to exercise patience and caution as they try to free the trapped ball in...

The Japanese Crystal now comes with a stand - You can find it here: New Japanese Crystal The Japanese Crystal Puzzle is based on the historical design of the same name created...

Puzzle Box 06 is another intricately crafted, round puzzle box straight out of the mind of the famous puzzle designer, Jürgen Reiche. Reiche has infused the box with an extra...

Here we have a clever spin on the classic Rubik’s Cube brain teaser. Cylinder Spin contains 16 multi-colored balls inside four rotating, inner cylinders. Each cylinder can be swiveled around...

The Interlocking Ladder Puzzle is based on the "Japanese Crystal Puzzle" originally designed in Japan circa the 19th century. This stunningly ornate and intriguing device is one of the most...

  The Einstein Puzzle Box is a delightfully simple, yet cunning, one-step trick box with a hidden chamber that is locked tight by an unknown mechanism. Do you have the...

Can you open the puzzle box safe and free the Euro coin? A very hard puzzle with a double-layered labyrinth maze. The goal of the puzzle is to open the safe and...

Our Instant Insanity Puzzle is actually three puzzles all in one compact unit, and it certainly lives up to the name! Think of the puzzle like a broken Rubik's cube...

This new puzzle from Kubiya is tailor made for all the Sudoku addicts out there! We’ve taken Sudoku from 2D to 3D with our handmade, wooden Sudoku Cube. Just like...

The Pentomino Set is a classic mathematical puzzle that offers 2D and 3D challenges with thousands of solutions. Each set contains 13 pieces. 12 of these pieces are different shapes...

Link 025 Puzzle is classified as an abstract geometric puzzle and comprises 25 wooden jigsaw puzzle pieces. The object of the puzzle is to fit these 25 individual pieces into...

Packing puzzles can challenge even the most experienced puzzlers! The 3D Pentomino Chess Puzzle is one of the hardest packing puzzles we have in our collection. This puzzle takes the...

Put your architectural skill to the ultimate test by building a 10 story tower reaching up to the sky! The aptly named Sky Tower Puzzle is designed by W. L....

The Hourglass puzzle is a very difficult puzzle that is made of 4 cast metal pieces. Each piece of the puzzle is engineered precisely to interlock in a seamless way. There are sequential tricky movements that need to...

Our most popular math puzzle! Can you find the combination? The goal is to arrange the 16 rows so that the total sum of each row is the same. Some...

Our Tricky Drawer Puzzle is one of the hardest interlocking puzzles in our collection. It’s modeled in the style of the many famous Burr puzzles in the same collection. Tricky...

Beautiful secret puzzle box with a message at the bottom of the box. The goal is to discover the box "secret" and follow the correct sequence of steps that lead to opening...

The New Secret Box II is a recent addition and a true tour de force of design from the great Akio Kamei, made by the Karakuri Creation Group. The object...

Considered a masterpiece of intricate design among those of its kind, the 54+1 Move Japanese Puzzle Box also encapsulates a secret space inside the box to store your treasures! The...

Very hard metal puzzle and very satisfying to solve. The goal of the puzzle is to open the sphere. The Titan brass puzzle is a simple-looking, yet highly challenging take-apart puzzle. This is...

The New Secret Box IV is a recent addition and a true tour de force of design from the great Akio Kamei, made by the Karakuri Creation Group. The object...

Shopping for someone else but not sure what to give them? Give them the gift of choice with a Kubiya Games gift card. Gift cards are delivered by email and contain...

Burr puzzles have been astounding and confounding master puzzlers for ages, and there are many variants that all circle back to the idea of an interlocking puzzle. The Diamond #33...

This beautifully crafted, wooden egg puzzle contains more than meets the eye - can you find the secret opening mechanism? The Karakuri Egg Puzzle Box is rated a medium difficulty...

Very few examples of puzzle rings have been recorded in history, and hardly any that are over 100 years old. This ring puzzle, however, is a classic configuration based on...

The Men's Mechanical Puzzle Gift Box Set is all you need in one (puzzle) box! What's in the box: E-Puzzle Box - A chic, elegant coding puzzle with colorful wheels...

Challenge your brain and your patience with our scintillatingly celestial 24 Piece Star Puzzle! This brilliant puzzle is made of 24 non-identical, interlocking wooden pieces. Each chunk is precision cut...

Peg Solitaire is one of the most famous strategy games for one player. The objective is simple: remove all of your pegs from the board, leaving only one. Like many...

Become a genius gifter with Kubiya's finest-quality Puzzle Gift Box for adults! What's in the box? Sliding Puzzle Lock - A sliding lock puzzle with a unique maze mechanism that...

The Terdragon Curve Puzzle is an abstract, geometric puzzle made of 19 individualized puzzle pieces. The object of the puzzle is to fit all 19 pieces smoothly back into the...

There are 12 (plus 1) moves to reach the inside of this finely crafted, intricate Japanese Puzzle Box. Included on the front and back are dazzling images of a panda...

This is the ultimate gift box for Husbands and Dads that know it all and deserve the best! What's in the box:  Two-in-One Box Puzzle - The Two-in-One Box Sequential...

A beautiful mechanical puzzle crafted from solid brass with a unique, seven-stage, sequential discovery solution.​ The goal is to find the brass ball locked inside the cylinder. Designed by Felix Ure the puzzle is rated...

The Plus 022 Puzzle is an abstract geometric puzzle made of 22 jigsaw puzzle pieces. The object of the puzzle is to fit all 22 pieces seamlessly into the tray....

Based on the Titan puzzle, 2 hours of manual hammering and polishing transform it into the sparkling jewel of your puzzle collection. The Hammered Titan is a very hard metal puzzle and very satisfying to...

The "A Chance Meeting" puzzle box is composed of three parts that each one reviles a hidden secret compartment mechanism that needs to be unlocked in order to open the box. A truly clever...

A beautiful maze puzzle box with a decorative multi-layers top that moves underneath the cover. The top layers will slide around several pins, just enough for you to see through the holes to start to understand how...

The 19-Piece Japanese Crystal Puzzle is based on a historical design of the same name, first created in Japan around the 19th century. This magnificent and beguiling puzzle is one...

A new puzzle box from Japanese puzzle master Osamu Kasho. The Alchemist puzzle features an artistic design box with secret storage space. To solve the puzzle and open the drawer, you'll need to discover...

A beautiful puzzle gift box for puzzle lovers! What's in the box: Double Gear Maze Puzzle - A formidably tricky maze puzzle that requires solving four mazes simultaneously in order to...

The Karakuri Secret Base Puzzle Box has not one, but two secret compartments! Can you discover both hidden spaces? The objective is to figure out how to maneuver the box,...

The 4x4x4 Anaconda Cube is a monster of a challenge, just like its name! This version elevates our popular Snake Cube Puzzle to an even more extreme level with 64...