Due to this Puzzle being crafted as a limited edition or run, it is no longer available for sale. Regrettably we do not think it will be back in stock. Please view our other hard to find puzzles on our Karakuri Trick Box Page. This VERY Large Japanese Puzzle Box profiles Yosegi top and bottom panels with Natural Wood sides. Wooden split key format are very well hidden! Measures approximately 10.63 x 6.3 x 2.95 inches. Stamped with Mr. Yamanaka's hanko, a hidden 5 yen coin is positioned inside an extra hidden compartment inside the lid. Comes in cellophane wrap and opening diagram.