Run-about habitat for all hamsters, gerbils and mice. A removable exercise ball provides hours of pet activity. The look-out tower doubles as a nesting location. The 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.