Cat shelves or cat walls? No matter what you call them they are the coolest diy cat idea I've ever seen. Cat climbing shelves are a great way to make something cool for you cats & save space in your home.
This climbing structure leads to two catwalks. The whole assembly is known as Kitty City. Photo by Marjorie Darrow and Ryan Davis Tap the link for an awesome selection cat and kitten products for your feline companion!