Casse tête en metal de la série Cast Puzzle et de difficulté niveau 4 (sur une échelle de 6).Description éditeur en anglais:
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.
Creator: Finland's Timonen