Hanayama Huzzle puzzles, provides puzzles for adults which are solved using a
blend of inspiration and logic. The challenge is to take the puzzle apart and
put it back together. Simple, yet so deep. You will need your hands and your
brain on board to solve the huzzle puzzles!
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.