It's Four-In-One Extreme Fun!Extensive EssentialsCritterTrail X comes complete with a water bottle, food dish, and the glow-in-the-dark Xtreme Wheel. You add the food and bedding. CritterTrail X will add the extra fun!Exciting, Extractable Petting ZoneKids love contact with critters and the exciting Petting Zone makes it possible. The unique Petting Zone can be opened, giving you easy access to your pet, and you can even detach the entire Petting Zone. After applying the specially designed Petting Zone cap, the exported Petting Zone becomes a safe and secure spot for your pet to wait in while its cage is being cleaned.Compatible & ConnectableCritterTrail X is completely compatible with all CritterTrail accessories and universally connects to Habitrail and SAM systems. CritterTrail accessories also connect into, onto and all around your pet's home. There are not limits for you to expand your pet's extraordinary home.Extravaganza of ColorsCritterTrail X has been created with exciting colors kids love and designed with dark, translucent colors for the extra comfort your critter needs.Easy to clean plastic home includes:10 oz. Rehydrator Water BottleEnergizing Food DishGlow-in-the-Dark Xtreme WheelE-Z Climb Bubble Wave Fun-nelXtreme Spiral SlidePerfect for your hamster, gerbil, dwarf hamster, or mouse.