Secret Opening Puzzles

The Cast Two Keys Puzzle is a charming, beginner-friendly brain teaser designed to engage curious minds of all ages. The objective is simple yet satisfying: separate the two interlocked metal...

Designed by renowned Japanese puzzle artist Yuu Asaka, the Hanayama Cast Jam is a captivating and intricate puzzle that offers a great mental challenge. Featuring two gold-colored rings that glide...

The Cast Free Star Puzzle is a charming and cleverly designed brain teaser where a star-shaped piece is trapped inside a loop. Your goal: free the star, then figure out...

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...

Not for the faint of heart, this exciting puzzle set spotlights our finest Puzzle Box and Puzzle Lock. Have you ever dreamed of playing escape room games from the comfort...

Ready to level up. The Link Puzzle is designed for expert solvers who enjoy a genuine test of their skills. Crafted from polished steel, it features four interlocked rings that...

The Hanayama Cast Key is a Level 1 brain teaser, perfect for beginners and puzzle enthusiasts alike. Your goal is simple yet engaging—separate the two interlocked metal keys and reassemble...

This beautiful Metal Puzzle Set by Wil Strijbos includes the iconic Lotus Flower Puzzle, the intricate Heart in Heart Puzzle, and the mind-bending First Cylinder Puzzle. Crafted from high-quality metal, each...

Another great puzzle by Oskar van Deventer. The H&H puzzle is made out of two pieces shaped like the letter H. The goal of the H&H puzzle is to take apart the...

Cube number 1 from the Karakuri Cube Box series. Each cube in the series has a unique mechanism that is different from all other cube boxes in the Karakuri series. There are...

Puzzle Model #357 is a cube with rounded edges and holes on every side. It’s made up of two pieces that fit together. The objective of the puzzle is to fully disassemble...

Cube number 4 from the Karakuri Cube Box series. Each cube in the series has a unique mechanism that is different from all other cube boxes in the Karakuri series. There...

Very satisfying puzzle by Masui Ohno. The challenge in this puzzle is to remove the cross-shaped piece from the outer disk and then put it back together. To solve the puzzle, begin by rotating the outer...

This high-quality Karakuri small cube box #4 has a unique opening mechanism compared with other small boxes from the collection. Simply (or not so simply) find the correct configuration of sliding...

Experience the evolution of one of the most sought-after mechanical puzzles in the world with the Piston Puzzle Set, featuring Piston 1 and Piston 2 by renowned designer Felix Ure....

Are you ready for a captivating and creative wooden project? Introducing the DIY One Step Puzzle Box kit from Kubiya Games. This Karakuri work kit offers both the excitement of...

This beautifully shaped puzzle seems to have no end or beginning, that’s how well the three pieces fit together! The pieces are in the shape of letters C, C, and...

The 7 Move Phillippe Dubois Aluminium Burr is a striking example of precision craftsmanship. Milled from solid aluminum with exact CNC techniques, it feels cool, heavy, and impeccably clean in...

At first glance, it looks simple: a wooden X-shape nestled inside a square frame wrapped in bands. But don’t be fooled—Impossible X is anything but easy. Crafted from precision-cut wood,...

Ready for the ultimate true puzzle challenge? Our Genius Puzzle Collection Set brings together the most intricate and mind-bending puzzles designed for true puzzle masters. This exclusive set features our finest...

The Dovetail Trilogy brings together three distinct Dovetail Cubes, each designed by Wil Strijbos and personally signed. While they share a common form, each cube hides its own interpretation of...

The Hands-On Mechanical & Logic Puzzle Gift Set brings together four distinctive puzzles, each with its own style, material, and solving challenge. From precision-crafted wooden mechanisms to solid brass conversation...

The Q&Q Puzzle is a compact and clever metal brain teaser that’s perfect for puzzling anywhere—at home, in the office, or on the go. Crafted from steel, the design features...

This captivating Burr puzzle features 6 precisely machined pieces that interlock seamlessly. While the name implies a 10-move solution, meaning the first piece disassembles in 9 moves. The 10-move Burr puzzle...

Exclusive to Kubiya Games, the Exclusive Metal Puzzle Library is a carefully curated collection of 31 metal puzzles, each offering a distinct solving method and a wide range of difficulty...

The Fit & Lock wooden puzzle set features two incredibly challenging puzzles. One is a complex interlocking puzzle that requires precision to take apart and reassemble. The other is an...

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,...

Only 2 moves! Sounds easy, no? Do not underestimate this tricky little box. Made of expertly crafted, quality wood, the Mini Secret Puzzle Box #3 has a highly unique opening...

This beautifully shaped puzzle is smoothly locked together, and there seems to be no way to break inside! The Double Lock Mechanical Puzzle is bound to make your head spin....

Hanayama Cast Wallet Puzzle is a clever metal brain teaser that looks simple at first, but quickly proves otherwise. The goal is to separate the pieces and then restore them...

The Tetso Puzzle Party Set offers 17 unique metal puzzles, each with its own intriguing challenge. From the mechanical charm of the Venus Trap to the clever design of the...

Deceptively simple and endlessly satisfying, The Loop Puzzle is a great starting point for anyone new to metal puzzles. Rated Level 2 out of 5 in difficulty, the goal is...

This fun and challenging A&A Cast Metal Puzzle by Hanayama will leave you feeling great once you solve it. Offering a distinctive problem-solving experience at a medium difficulty level, it...

A great medium-level Hanayama cast metal puzzle by Bram Cohen. The Rattle puzzle is made out of four identical interlocked pieces  The object of the puzzle is to take apart the four...

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...

The Black Jack Maze Puzzle comes equipped with two wooden, sliding panel mechanisms and two metal balls within the maze. The two panels slide horizontally, changing the configuration of the...

The Labylong Maze has a sliding mechanism that requires the simultaneous navigation of two panels to free the metal ball that’s trapped within the labyrinth. The parts will move easily...

The King Cast Chess Puzzle is a marvel of design, engineering, and style - and is the perfect puzzle for lovers of the classic board game! Collectors can enjoy these...

There are only 3 moves required to reach the mysterious center of this clever puzzle box, but the journey will not be easy! The Mini Cube Lock #8 is quite...

The Cast Taurus Puzzle is a beautifully crafted 3D metal brain teaser designed to resemble two interlocked bull heads. Your objective: separate the two Taurus-shaped pieces—and then figure out how...

The Auge Disassembly Puzzle is deceptive, because it’s really the reassembly that makes this puzzle so challenging! There is a central, circular piece that must be removed by sliding the...

At first glance, the Dovetail Cube #01 feels like a solid, perfectly formed object. Clean lines, sharp contrast, and a satisfying weight in your hand. It looks complete, almost immovable....

Five Levels of Metal – Puzzle Set Vol. I is a curated collection of five mechanical puzzles, each offering a different style of challenge, ranging from elegant symmetry to mind-bending...

This eclectic set of logic puzzle toys features some of our top-choice Cryptex Puzzle Locks.   Looking for a new, mysterious adventure? Does your brain thrive on challenging mechanical puzzles?...

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,...

Get pulled into the challenge of the Cast Vortex, an intricate metal brain teaser designed by Akio Yamamoto for Hanayama. This beautifully engineered puzzle features three spiral-shaped pieces that lock together...

The Atom is a bold three-dimensional mechanical puzzle inspired by the structure of matter at its most fundamental level. At first glance, its clean, symmetrical form feels complete, almost like...

There comes a point where logic alone is not enough. Dovetail Cube #03, designed by Wil Strijbos, is where the familiar structure begins to slip away. What once felt stable becomes...

The Karakuri Book Puzzle is a beautifully crafted drawer disguised as a classic book, blending seamlessly into any shelf while hiding a clever mechanical surprise within. Place a small item...

A true masterpiece from mechanical puzzle legend Wil Strijbos, the Butterfly Lock Box—formerly known as Pleasure and Pain—is an uncompromising challenge crafted from precision-machined aluminum and steel. This isn't just...