Level 5

Can you complete a Rubik’s Cube in record time? Do you laugh in the face of 2,000-piece puzzles? The Thinker Box is for masters, meaning this is not your grandpa’s...

The Steuerrad Puzzle Box is a high-level difficulty puzzle that will have even experienced puzzlers stumped right from the start, thinking: “how could I possibly start solving this puzzle?!” You...

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...

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 Japanese Crystal Puzzle is based on the historical design of the same name created in Japan circa the 19th century. This dazzlingly ornate and intriguing construction is quite honestly...

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...

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...

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...

  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...

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...

From the creative and eccentric mind of Seibenstein-Spiele’s founder, Jurgen Reiche, this spectacular Lock 64 Coding Puzzle is built from laser-engraved pieces of heavy-duty wood to hold the secrets of...

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...

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...

Not for the faint of heart, The Quartet Puzzle is a deviously tricky disentanglement puzzle, named after the number of pieces involved. There are 4 pieces total that form the...

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...

The Infinity Puzzle earns its name for both style and mechanics. Not only do the pieces resemble the sign for infinity (a horizontal 8), but their motion continues in an...

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...

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...

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...

Very difficult metal puzzle by Hanayama. The Trinity puzzle is made out of three pieces that lock into each other. None of the pieces is uniform, which makes it difficult to discover the...

If you’ve ever felt like a nutcase yourself while solving a puzzle, look no further! The main objective for this Nuts & Bolts style puzzle is to free the small,...

High-quality mechanical metal puzzle set. Those are the first two puzzle designs by Felix Ure (Titan puzzle and the Hip-Flask puzzle). Both puzzles are very hard to solve.  Titan Puzzle - Very hard metal puzzle and...

A masterpiece! 54th moves high-quality Japanese Puzzle Box with a unique secret space inside the box! You need to unlock several sliding panels in a specific order before you can open the box....

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

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 Super CUBI Box is without a doubt one of the most challenging Karakuri boxes that you might ever encounter. Seriously! The solution requires a whopping 324 steps to open,...

A masterpiece! 54th moves high-quality Japanese Puzzle Box with a unique secret space inside the box! You need to unlock several sliding panels in a specific order before you can open the box....

If there was ever a puzzle to bring with you on a deserted island, this would be Kubiya’s top choice - you’ll need all the free time you can get!...

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 goal of this puzzle is to separate three metal chain-links and then reassemble the chain. What’s so difficult about that? Well, the devil is in the details with this...

Another masterpiece puzzle box, with a brilliant lock mechanism, designed by Mr. Akio Kamei from Karakuri, Japan. With "only" a few moves to open this elaborate device - the Double...

If you’ve tried to solve puzzle boxes before, you’re in for a special surprise with the 7 Sun 72-Step Puzzle Box. You read that correctly, 72 steps are required to...