14-step Ichimatsu 8.5cm Cube Japanese puzzle box Himitsu-bako by Hiroyuki Oka

Opening method of the puzzle box: 14 steps Moving panels and sliding keys: 3 panels / 2 keys Outside size: 3.3 × 3.3 × 3.3 inches (85 × 85 × 85 mm) Inside storage space size: 1.9 × 2.5 × 2.7 inches (47 × 65 × 68 mm) A description sheet (solution sheet) and a gift box are included. This puzzle box has a cubic design and opens in 14 steps. The design features Ichimatsu yosegi, a traditional Japanese checkered pattern. This Japanese puzzle box is made entirely from wood. It is handmade 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.