Hanayama Cast Key III Puzzle – Level 6 of 6 Grandmaster – Incredibly Difficult Puzzle – Includes Crux Sticker

Product description

A Grandmaster level puzzle from Hanayama. The Cast Key III has three keys held together with a cage and the aim is to separate them and the reassemble. A real challenge, the design comes from Oskar Van Deventer and made in a nice quality version by Hanayama. Rated 6 out of 6 on the Hanayama difficulty scale.

Directions

No written instructions provided