Square 5 Step Knock Japanese puzzle box (Natural wood/Ichimatsu)

4 Sun 5 Step Japanese "Knock" Secret Puzzle Box The crafter describes this work in the following manner, " This box is different from a usual Japanese puzzle box in the first move (1st-step). At the beginning, you have to do something special before the next panel (2nd-step) can move. The hint is hidden in the name of this box..." *The top panel is made using five types of natural wood. These are Rengas, Urushi, Nyatoh, Purple-heart, Mizuki woods used. Opening method of the puzzle box : 5 steps Moving panels and Slide keys : have 3 panels / no keys Outside size : 3.0 x 3.0 x 1.7 inch (80 x 80 x 50 mm) Inside storage space size : 1.6 x 2.4 x 1.1 inch (40 x 60 x 28 mm) Include Description (solution sheet of how to open) and the gift box