Hanayama Cast Ring II Puzzle – Level 5 of 6 – Very Difficult – Includes Crux Sticker

The Cast Ring II puzzle from Hanayama is based on a type of puzzle that dates back to at least the 15th century. It consists of five rings which you must try and seperate and then put back together. Rated 5 out of 6 on the Hanayama star difficulty scale. Also included is a Crux Puzzles sticker.