RING Hanayama Cast Metal Brainteaser Puzzle Enlarged reproduction of the Famous Turkish/Wedding 4 Band Puzzle Ring. Four interweaved bands. Puzzle comes apart with great ease. Reassembly is very tricky. Rated as a level 4 difficulty on a scale of six (where 1 is easy and 6 most difficult.) Your experience may differ. Polished metal 4 piece brainteaser. Even when apart the rings are still joined. One of over 45 different pocket size metal brainteasers from the Hanayama Puzzle Company of Japan.