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...
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...
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,...
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...
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...
Rotor Cast Puzzle - Very Hard Puzzle
The Hanayama Rotor cast puzzle features a chic design with a super difficult challenge. Its uniquely shaped components and multiple solutions contribute to its classification as a level 6 puzzle,...
Hanayama Cast Dial Puzzle - Level 5
This fun and challenging Cast Dial Puzzle by Hanayama will test your problem-solving skills and leave you with a deep sense of satisfaction once solved. Offering a distinctive and engaging...
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...