Hanayama Cast Puzzle: Level 4 Keyhole

Keyhole – Level 4 by Hanayama

Overview:

Unlock the challenge of the Cast Keyhole metal puzzle from Hanayama Huzzle. This intricate 3D puzzle is crafted from high quality metal and features a unique keyhole design that will put your problem solving skills to the test. At first glance, the two pieces have simple angles cut into their flat surfaces, like the edge of a key. However, when the two pieces intertwine, they look more like a 3D maze.

Designed by Finnish designer, Vesa Timonen, the objective is to separate the two pieces of the Cast Keyhole and then to reassemble it into its original state. With its sleek and modern appearance, it makes for a great gift for him or her, perfect for puzzle enthusiasts and those who appreciate a good brain teaser.

With a difficulty rating of 4 out of 6, it’s one of the easier, but still challenging puzzles on the market. Suitable for ages 11 and up, it’s perfect for anyone who craves a mental workout.

Hanayama cast puzzles are high-quality brain teasers made with cast metal and sure to trick your brain! They come in 6 challenging, Mensa-rated levels of difficulty, 1 being the easiest, and 6 being very difficult.

Hanayama of Japan, maker of the world’s finest cast puzzles, chooses from designs by master puzzle inventors for their challenging line of cast metal brainteaser puzzles. Hanayama are known for their extreme attention to detail, high finish quality, and creative, clever and innovative styles in six degrees of difficulty from easy to expert. Complete the first task of taking the puzzle pieces apart, then try to figure out how to get them back together and return the puzzle to its original state. Can you take it apart? Now try and put it back together!

The included booklet illustrates the challenge for each puzzle in the series, but please note that solutions are not provided in order for you to experience both the “fun” and “agony” of solving these puzzles.

Features:

• Hanayama cast puzzles are the world’s finest brain teasers. Can you take the pieces apart, then put them back together again?
• This assembly and disassembly puzzle is sure to keep you entertained for hours. The unique flat shape adds an extra layer of complexity to the puzzle, making it a true test of your problem-solving skills.
• Sleek, high-quality cast metal materials ensure each piece endures years of vigorous play.
• Level 4 puzzles are considered difficult for most puzzlers.
• Take on the challenge yourself or gift this intricate brainteaser to the puzzle enthusiast in your life!