This animation, from Short Peace -Tsukumo, features a puzzle box mecanism called himitsu bako (秘密箱).

This animation, from Short Peace -Tsukumo, features a puzzle box mecanism called himitsu bako (秘密箱). Those complexed marquetry works were first produced in Hakone. To open the box, the owner must accomplish a succession of movements, from simple sequences to higly complex ones (wikipedia cites boxes needed more than 1500 moves!).(Himitsu bako seen on)Those beautiful boxes come in many sizes and shapes, and can be purchased on the net. Hiroyuki Oda sells some on Etsy, look at that tiny winy which needs 14 steps to open! -- source link

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