This is a mini version of my soda vending machine: https://www.youtube.com/watch?v=ZB3WGaga8dw
There is no point to it, but its a fun and easy DIY to do.
You can use any box. Mine was a flimsy box, but if you do use a flimsy box, you have to layer it so it does not bend. This machine is kind of trashy, but I’ll make a better machine that requires money next time.
Check out my other vending machines here(skip to the bottom. The top ones are horrible): https://www.youtube.com/watch?v=BMUXi6o-hsY&list=PLpTqHzLQf6SBDuEkTzVFikmpu4HJw2o0j