Hanayama Cast Puzzle - U&U (Level 4)

Hanayama Cast Puzzle - U&U (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 Kyoo Wong of Hong Kong, the Cast U&U looks like two U-bolts and four nuts from the spare parts bin, but a deviously hidden trick keeps them locked together until you look carefully at every part. 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 U-bolts and four nuts with a hidden trick
- Designed by Kyoo Wong
- Difficulty level 4 of 6
- Precision cast metal pieces
- For ages 12 and up