12 steps Walnut wood / Kuzushi 4 sun Japanese puzzle box Himitsu-bako 4580685044118 [4-12wk]

*A sliced natural walnut wood is stuck on the top and bottom panels. Not solid wood board. This walnut wood sheet may have a seam. Please check the photos.

Gimmick for opening the puzzle box : 12 steps

Moving panels and Slide keys : have 3 panels / 2 keys

Outside size : 4.5 x 3.2 x 2.1 inch (115 x 82 x 53 mm)
Inside storage space size : 3.26 x 2.59 x 1.49 inch (83 x 66 x 37 mm)

Include Description (solution sheet) and the gift box

4 sun size Japanese puzzle box. 4 sun is a Japanese measurements. 1 sun is about 1.18 inch / 3.0 cm. This puzzle box is opened by 12 steps.
The design of side panels are Kuzushi wood mosaic. The Japanese puzzle box is made from only wood.
This puzzle box is made by OKA CRAFT.