Extreme challenge habitat for all hamsters, gerbils and mice. The rotating pet-powered activity wheel and spiral slide provide hours of fun activity. Removable petting zone allows for easy interaction and is a safe resting location. Create a dream environment with expandability ports that allow connectible accessories to be added. Easy to clean construction with deep base. Well ventilated environment. Includes water bottle and food dish. Super protect technology built into all interior surfaces to provide a healthier habitat. Formerly known as CritterTrail X Habitat.