This is a Packing puzzle by Bruno Hemon which he entered in Puzzle Design Competition 2020.
Goal of the puzzle is to Arrange the five pieces of Swiss cheese in the box so that the ball can drop into the top of the box, through the stack of Swiss cheese, and then out at the bottom of the box.
There is an extra stack for additional bonus (but simpler) challenges. PDF file will be provided with details of all the goals.