The secret box is synonymous with the Hakane Parquet. It cannot be opened without unlocking the box. There are 4 times for fewer tricks, and more than 70 times in the box. This box is 54+1 times of advanced level. The secret box opens 54 times, but there is a "hidden room" behind the lid that can hide passbooks, etc. As this item is handmade using natural materials, the color, pattern and size may differ from the images shown on the website.