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.
Quartet Cast Puzzle - Very Hard Puzzle
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...
Trinity Metal Puzzle - Very Difficult Puzzle
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...
Infinity Puzzle - Hanayama Metal Puzzle
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...
Nutcase Puzzle - By Oskar van Deventer
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,...
Enigma Puzzle - Very Difficult Metal Puzzle
This super hard puzzle was considered for many years impossible to solve. The Enigma metal puzzle was originally designed in 1975 in the USA. Recently Hanayama made a new version...
Equa Puzzle - By Oskar van Deventer
The object of this ingenious, cast metal puzzle is to separate the two interlocked loops and remove them from the surrounding planet-like structure. Afterward, can you piece it back together?...
Love Puzzle - Hanayama Metal Puzzle
Love is in the air - and cast into the metal! The Love Puzzle contains two pieces - one gold, one silver - that smoothly intertwine to make a single...
Cyclone Puzzle - Hanayama Metal Puzzles
A modern puzzle, the Cyclone is a four-piece, cast metal disentanglement puzzle from Hanayama, released in 2021. In this puzzle, each piece interlocks with the other three in a cyclonic...
ELK Cast Puzzle - Very Hard Puzzle
ELK cast puzzle is based on the original famous puzzle from the 19th century, which has been successfully revived in a new form. The key word here is "antlers". Can...
Cylinder Puzzle - Hanayama Metal Puzzle
Live your James Bond spy fantasy with the safe-cracking Cylinder Puzzle from Hanayama! Can you take apart the 5 metal pieces of the cylinder to reveal the secret inside? That’s...
Spiral Puzzle - Hanayama Puzzle
Can you separate the five pieces of the 3D jigsaw and then meld them back together again? At first glance, the pieces do not seem as though they are unlockable. ...
Cross Puzzle - Metal Puzzle
The Hanayama Cross Puzzle is made up of two pieces that must be disassembled and then reassembled. The two pieces are restricted in movement by a variety of angles and...
News Cast Puzzle - Hanayama Metal Puzzle
A great metal puzzle by Yoshigahara. Start by taking the puzzle pieces apart, then figure out how to put them back together and restore the puzzle to its original state....
UFO Metal Puzzle - Hanayama Puzzles
Pocket-size metal puzzle in a shape of a UFO! The UFO puzzle was designed by Vesa Timonen from Finland. The puzzle is made out of 6 pieces that interlock with...
Hanayama Delta Puzzle - By Kyoo Wong
The Delta Puzzle is formed by three separate, metal pieces that mesh together into a triangle shape. The first challenge is how to separate the parts, and then the puzzler...
Amour Puzzle - Hanayama Level 5 Cast Puzzle
A great puzzle by master Akio Yamamoto. The two independently linked loops make this puzzle extremely challenging. Your goal is to remove the masterfully interlocked 'Adam' and 'Eve' loops from...
Cast Tube Puzzle - Hanayama Metal Puzzle
The Tube puzzle was designed by Vesa Timonen, and consists of 3 parts. The objective is to disassemble the puzzle and then put it back together. Consider every possible method...
Wooden Locked Sticks Puzzle
Locked Sticks is a brilliantly simple puzzle that hides a formidable challenge. The game is also known as Snag Box and Computer Chip (it actually does resemble the shape of...
Planet Cast Puzzle - Hanayama Puzzles
High-quality Hanayama puzzle! The object of the Planet Puzzle is to remove the spherical, metal Planet from within and then place it back in again. The planet puzzle must be...
Cast Valve Puzzle - Hanayama Metal Puzzle
Great mechanical metal puzzle designed by Vesa Timonen. The valve is made out of three pieces. As you rotate each inner piece, you should be able to understand how the...
Hanayama Labyrinth Cast Puzzle
If you thought one maze was tough enough to navigate, try finding your way through two, at the same time! The Labyrinth Puzzle consists of two metal pieces joined together....
Cast Dice Puzzle - Hanayama Puzzle
This die-shaped puzzle consists of three interlocking pieces. Try to get the three pieces oriented correctly inside the frame. The Cast Dice Puzzle was designed by: Timothy Collins. A beautiful...
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...
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...
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...
