Japanese Handmade Puzzle box - Square 18 Steps Natural wood/ichimatsu

Japanese Handmade Puzzle Box Square 18 steps Natural Wood/ichimatsu. Five types of natural wood are used for the top and bottom panels. The side panels feature a checkered yosegi design. This puzzle box is opened in 18 steps. This puzzle box is unique square shape puzzle box. Opening method of the puzzle box : 18 steps Outer Dimension: 80 x 80 x 51 mm Inner Dimension: 41 x 63 x 33 mm Solution sheet included This is a limited design, and the unique pattern will not be available again once it has been sold.