Critter Trail Two offers two spacious levels of living space for hamsters, gerbils or mice. Critter Trail Two comes complete with two comfort shelves, a 10oz. water bottle, food dish, exercise wheel & three Fun-nels climbing tubes. Critter Trail Two features Super PetÂ’s unique Petting Zone, a special area where you can pick up your pet or provide them with a tasty treat. There are two easy access doorways on the Critter Trail Two making access to your pet easy & simple. Critter Trail Two also has six locations where accessories can be attached to the home so add as many fun accessories as you can.