Here is a cat tree that doubles as an exercise wheel for your pet. The Multi-level Spinning Wheel Cat Tree has a 20″ fitness wheel and is lined with sisal carpet on the inside and outside.
This cat tree gives your pets a fun place to play, relax, and sleep. It has 3 plush cushions and two elevated platforms. Measures 13″ D x 32″ W x 35″ H.