Super CUBI 324 Step YOSEGI MUKU SB - Limited Edition Japanese Puzzle Box
This High-quality handicraft puzzle box has a unique mechanism that is quite different from all other puzzle cube boxes in the Karakuri set. Unique 324 moves! How difficult can it be? Well, it's very tricky. The parts will move easily and smoothly if you do it the right way. When the mechanism moves in order, the lid will open to the 324th step.