The Hanayama Cylinder Cast Puzzle, rated at Level 4 of difficulty, is a real brain - teaser. As the name suggests, there's a secret trick inside the cylinder. From the outside, there are no obvious clues on how to start. It's like cracking a safe. Imagine yourself as a spy, sipping a shaken not stirred martini while trying to solve this puzzle. The theme of this puzzle is 'lock'. Designed by Vesa Timonen from Finland, Hanayama is globally famous for its challenging puzzles and high - quality manufacturing. These cast metal brain teasers come with 6 levels of difficulty, and each puzzle is Mensa - rated. Most puzzlers find Level 4 puzzles quite challenging. Can you take the pieces apart and then put them back together?

To use this Hanayama Cylinder Cast Puzzle, start by simply holding it in your hands and giving it a good look. There's no obvious way to start, so just start exploring different ways of moving the pieces, just like you're trying to crack a safe. Try rotating, pulling, and pushing the parts gently. Remember, it's a challenging puzzle, so don't get frustrated if you don't solve it right away. When handling the puzzle, be gentle to avoid damaging the metal parts. If it gets dirty, you can use a soft, dry cloth to wipe it clean. Store it in a dry place to prevent rusting. Enjoy the process of solving this unique and challenging puzzle!