So you want to provide your pet with the proper activity center to relax and play? The Cat Mod system has you covered. It is a modular climbing system that lets you build any design you want for your pets. You get mounting blanks, ladder steps, escape hatch, vertical polls, and other modules to get started.
The Cat Mod lets you build structures for your pet to climb, play, and get some rest. You can find out more about it on Kickstarter.