A secret opening puzzle is a type of puzzle box that has a hidden compartment that can only be accessed by solving a puzzle. The puzzles can vary in difficulty, from simple slide puzzles to complex mechanical contraptions. These puzzles are often made of wood and can be quite intricate. They make a great gift for puzzle enthusiasts or anyone who enjoys a challenge.
Cast Two Keys Puzzle - Tetso Metal Puzzle
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...
Cast Jam Puzzle - Hanayama Level 3 Puzzle
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...
Free Star Puzzle - Cast Metal Brain Teaser
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...
A Chance Meeting Puzzle Box - Karakuri Puzzle
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...
Puzzle Set - Escape Room Puzzle for Adults
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...
Link Puzzle – Metal Brain Teaser
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...
Premium Metal Puzzle Set by Wil Strijbos
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...
H&H Metal Puzzle - By Oskar van Deventer
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...
Hex Puzzle - Hanayama Cast Puzzle
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...
Karakuri Mini Puzzle Box #4 - Secret Puzzle Box
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...
The Piston Puzzle Set by Felix Ure
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....
Puzzle Kit - DIY One Step Puzzle Box
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...
C.C.O Puzzle
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...
Impossible X
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,...
The Genius Puzzle Collection Set
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 - By Wil Strijbos
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...
Hands-On Mechanical & Logic Puzzle Gift Collection
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...
10 Move Burr Puzzle - Piston Aluminum Burr
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...
Fit & Lock - Duo of Complexity
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...
Mini Secret Puzzle Box #3
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...
Wallet Puzzle - Hanayama Level 4 Puzzle
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...
A&A Cast Metal Puzzle – Hanayama Level 2 Puzzle
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...
Rattle Puzzle - Metal Puzzle
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...
Alchemist Puzzle Box - By Osamu Kasho
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...
Black Jack Maze Puzzle
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...
Labylong Maze - Constantin Puzzle
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...
Mini Cube Lock #8 - mechanical puzzle
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...
Cast Taurus Puzzle - Tetso Metal Puzzle
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...
Moon and Bear Puzzle – Karakuri Puzzle Box
The Moon and Bear - (recent addition) is a stunning Japanese Puzzle Box with unique opening mechanisms. The object of the puzzle is to open the small compartment that is...
Auge Disassembly Puzzle
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...
Dovetail Cube #01 – Metal Brain Teaser
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 – Tetso Puzzle Set Vol. I
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...
The Alpha Puzzle Locks - Puzzle Toy for Adults
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?...
Cast Vortex Metal Puzzle - By Akio Yamamoto
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...
Atom Puzzle – 3D Mechanical Brain Teaser
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...
Dovetail Cube #03 - Premium Metal Puzzle
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...