4 sun 7+7 steps Double compartment Natural wood Japanese puzzle box

*The material of top/bottom panels : Keyaki, Hoo, Purpleheart, Katsura-jindai wood Opening method of the puzzle box : 7 steps and 7 steps Moving panels and Slide keys : have 4 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 0.55 inch (83 x 66 x 14 mm) x 2 inside spaces Include Description (solution sheet of how to open) 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 in 7 steps and 7 steps / double compartment. The Japanese puzzle box is made from only wood. This design puzzle box is made only by Hiroyuki Oka. 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.