If I close the question how do I post a picture?
The cage is 38x31x30 for 6 guineas. I was going to make a multi level cage (each level sealed) then I was thinking about having where they could go up and down the entire height, but I can not figure out how to make it safe where they can not fall.
Would they use a sideways exercise wheel. to have it horizontal.
Here is my Guineapig paradise mark 2, V1. It has the space to have up to 3 levels with ramps and such. I usually have the good food on the top of the ramps (treats and such) but have regular food like pressed hay cubes below so they wont go hungry if they choose not to climb. I put them on top once so they can see the way down, and they usually find their way.