Create a trap for American minks that looks like a small floating mini mountain

Create a trap for American minks that looks like a small floating mini mountain in which there are several compartments in a staggered manner. This means that at the top of this mini mountain trap there is a camera and weight measurement system that will open and drop the mink down and not another animal., letting it fall to the first floor below, closing this first floor, then if another mink falls it would occupy the second position and so on, do it with 4 spaces, represent this in an image