3 sun 12 steps Checkered pattern Walnut wood Japanese puzzle box Himitsu-bako

Gimmick for opening the puzzle box : 12 steps Moving panels and Slide keys : have 3 panels / 2 keys Outside size : 3.5x2.6x2.0 inch (90 x 60 x 50 mm) Inside storage space size : 2.20 x 1.92 x 1.37 inch (56 x 49 x 35 mm) Include Description (solution sheet) and the gift box 3 sun size Japanese puzzle box. 3 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 is wooden checkered pattern. The side panels of box are pure walnut wood from North America. All the internal gimmicks are made of wood, so the warmth of wood The simple and gentle movement of the mechanism gives healing and comfort. The surface of the puzzle box is painted with a safe transparent paint. Can you open? https://cdn01.pinkoi.com/product/UEEeTk6d/4/800x0.jpg