Hanayama 4-07 Huzzle L4 Donuts

Cast Donuts has beautifully shaped rings that look like 2 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. Created by Vesa Timonen from Finland.

The theme is ‘String’.