Hanayama Cast Donuts Huzzle Puzzle

Description

Cast Donuts has beautifully shaped rings that look like two donuts intertwined together. Try solving the puzzle by imagining the inner structure and using each of the rings’ division lines as a hint. You will be pleasantly surprised by the unique movements needed to separate the rings. This puzzle is a masterpiece in design and concept.
Creator: Finland’s Timonen.

Difficulty rating: Hard – 4/6