Member-2-Pradhan.

This is a electro-mechanical puzzle box which uses mechatronics ideas. mechanical : build a puzzle box which is composed of blocks, trim, and wood which are joined together. electronic: add a switch to the puzzle box such that with the help of a battery a puzzle can be attached and can be solved and box can be opened.

Image:

source:

https://portfolium.com/entry/electromechanical-puzzle-box