Spin City Health Club Small Animal Modular Habitat Color: Blue Includes: drip resistant bottle, dishwasher safe bowl, fun to run ball, critter teter totter, sensenational spiral slide. Also includes the critter cyclometer (with battery). Talliesevery revolution allowing you to track how far your critter runs. The healthy habitat is designed for hamsters, dwarf hamsters, gerbils and mice. A fitness revolution for furry friend and entertainment for the whole family.