I really like the design and balance is very decent. I will be adding small L' brackets to highest platform. I have it up almost resting on my window frame in case it totters a bit if cat were to leap or play ruff on highest one. It can totter a bit but stable enough above all else. A great value, nice looking, decent construction, and not too big of a base, so fits nicely in relatively small area. My only critisism is that delivery was delayed twice, so took over a month and a half to receive. Not cool, as my cats and I were anticipating it's arrival to their new place. I really wanted it in place for their arrival, lord knows they needed the distraction and comfort this condo offers them. I got pretty bummed about that.