Make a secret puzzle box out of cardboard

It's a clever project made out of a single cardboard box. Only you know the secret series of moves to open it up.
The secret pass phrase is "When the cat is away the mice will play"
See it in action and full tutorial with templates so you can make this project for yourself on the website here:
https://thecardboardcrafter.com/make-a-cardboard-puzzle-box/