English translation of Boîte à secrets or Box of Secrets

English translation: The assembly of the pieces is a small puzzle, once the object is assembled, it behaves like a secret box, there is a manipulation to unlock the central piece which sliding reveals several secret caches.
For aesthetic reasons, I was thinking of using a CNC milling machine to produce parts in different wood species, but it is also possible to manufacture the different parts with a 3D printer.