Expand your pet"s activity space with the Super Pet Critter Trail Accessory Kit. Universally connectable, this hamster Habitrail kit can also be used with other habitat systems such as S.A.M. and Habitrail. It"s great for adding extra living space and exercise opportunities for hamsters, gerbils and mice. The Super Pet habitat activity kit includes a Loop-d-Loops with a bubble plug that create a lookout spot for your pet. The outhouse makes a secure nesting box, while the snap-on comfort wheel provides a place for your furry friend to exercise. This multipurpose Super Pet Critter Trail Accessory Kit is a pet habitat expansion set that uses a bubble wave Fun-nel tube design that is safe for little paws, and Antimicrobial technology for a healthy and clean home. Super Pet Critter Trail Accessory Kit: * Expand your pets living space to create the ultimate pet habitat with this functional accessory * Bubble wave Fun-nel design features a comfort grip that is safe for your pet"s paws * Removable cover for easy access and trouble free cleaning * Features Super Protect Antimocrobial Technology to provide a healthier, cleaner accessory for your pet * Universally connectable so it easily attaches to all CritterTrail, Habitrail, and S.A.M. systems