I have 3 of the largest Superpet Deluxe Fun-nel Homes....the one they call 4 floor. On the stand it stands about 5'8". 2 of them are hooked together, and 6 of my girls are in "the Duplex" as I call it. I bought ramps, and each cage has about 7 or 8 levels, with the ramps going between them. It was necessary, as I have a partially paralyzed ferret, and she needs the ramps. I have heard, also, that forcing a ferret to use the straight tube that comes with the cage as a means to get from level to level can cause spinal problems...I don't know if it's a theory based in fact or not, but if you watch a ferret climb it, it looks a bit difficult. I just use some chains and hook the straight tubes up as swings, instead. As long as you keep the litterbox, food dish, and bedding within easy reach of the 6 doors or the flip-open top, you should have no problem. The shelves and the bottom wipe off easily with just a little spritz of water. Hope this helps! [Posted in FML issue 2940]