CritterTrail ONE is the world's best selling hamster home. CritterTrail ONE comes complete with a water bottle, food dish, exercise wheel, and a Fun-nels climbing tube. CritterTrail ONE offers spacious living space for all hamsters, gerbils, or mice and it features Super Pet's unique 'Petting Zone. The cool 'Petting Zone is a special area of the home that you can open so you can pick up your pet or provide them with a tasty treat. Even if your favorite critter isn't in the Petting Zone, there is an "E-Z"