Keep your pet entertained and active with the Super Pet CritterTrail Loop-d-Loop Accessory Kit. An assortment of twisty turns and connective pieces will keep your little pet busy, as it tries to navigate its CritterTrail habitat. This CritterTrail accessory kit is engaging for both you and your pet, as you can observe your pet making its way around the winding loops of this fun and colorful play set. Whether your pet needs exercise or the stimulation of a new area, this Super Pet CritterTrail Loop-d-Loop Accessory Kit can be used alone or joined together with similar pieces (sold separately) to create an even-longer and more-challenging play area. This CritterTrail habitat is specially designed for pets such as hamsters and gerbils, which may not be able to exercise outside of their cage.