my rattuses really love this cage. i have 11 and they have a great amount of space to live in. i very much enjoy all the different options of leveling the cage comes with. however, assembly of this item was hell on earth, if i didnt have 2 friends helping im not sure how i would have done it. parts had small melted pieces of metal that prevented everything from fitting properly so we quite literally had to chisel bits down to make it work. all in all i will never forget how awful it was to build but the end result made it worth it.