Hanayama Cast Puzzle - Keyhole (Level 4)

Hanayama Cast Puzzle - Keyhole (Level 4) is a metal cast brain teaser from Hanayama of Japan, maker of the world's finest cast puzzles, rated level 4 of 6.

Designed by Finnish puzzle creator Vesa Timonen, the Cast Keyhole looks like two flat pieces with simple notches, but once they are intertwined they form a three-dimensional maze that you must twist and turn your way through. First take the puzzle apart, then try to figure out how to put it back together and return it to its original state. Available now at Boarding School Games - can you take it apart?

Key features
- Two flat pieces that form a 3D maze when joined
- Designed by Vesa Timonen
- Difficulty level 4 of 6
- Precision cast metal pieces
- For ages 12 and up