If you _really_ loved your kitties, you'd buy them this, the world's best cat tree. Custom sculpted by Robert Rogalski--from wood covered with foam / paper mache clay--a tree like this would only cost $4000 (plus materials and travel/lodging costs).
More amazing art available at Rogalski's web site:
http://www.robertrogalski.com/
More amazing art available at Rogalski's web site:
http://www.robertrogalski.com/