Maze puzzle box

source : you tube

Working mechanism :

A puzzle box is a security box built for storing things . Here the unlocking of the box is done by solving the puzzle . The puzzle box here consists of maze where the marble in the maze is made to reach its destination and after reaching its destination it has to be sensed by sensors to open the door of the box .

Link 1 : https://youtu.be/dSR0nGtExZI

Link 2 : https://youtu.be/ph2Mux-9VUw

photos :