DESC: Super Pet Critter Trail X #045125605181CritterTrail X features the eXciting Xtreme Wheel, a glow-in-the-dark exercise wheel that spins in two directions. The Xtreme Spiral Slide included offers fun playtime and an entrance to the Xtreme Wheel. CritterTrail X offers spacious living space for all hamsters, gerbils, or mice and it features the new unique, eXtractable "Petting Zone." The cool "Petting Zone" is a special area of the home that you can open so you can pick up your pets or provide them with a tasty treat. It can even be removed to use as a handy carrier during cage cleanings. CritterTrail X comes complete with a Water Bottle, Food Dish, and a Fun-nels climbing tube. - Cages & Carriers - Harness