Learn how to solve the Hanayama Cast W-U metal puzzle. Hanayama cast iron puzzles are the perfect solution to being bored. This video tutorial will show you exactly how to solve this mind boggling Cast W-U puzzle, which is rated a 3 out of 6 in difficulty by Hanayama.
Hanayama: The inspiration for this puzzle comes from the "Horse" puzzle, also available in the Mind Master Collection. While the horse puzzle was derived from a puzzle made with real horseshoes, the difficulty of the W-U puzzle is ramped up considerably in comparison to the original.