I also forgot to add, that I need advice on one more thing. In the spare bedroom the wall that faces the living room doesn't go all the way up to the ceiling. I would love to add a cat walk going up to there for Cubby. The big problems I see with that are: a) he might try to jump down on the wrong side, b) he might not be able to get all the way to the top, c) the bedroom seems a little to small to add a few ramps up to there for him.

I am trying to figure out an easy way to build something for him but keeping him protected from falling or jumping off the side. He is NOT the most graceful cat I have ever seen. And something that will not take up alot of space as well.