Many Small Pets Require A Good Physical Workout. LeeS Offers The Most Complete Line Of Small Animal Exercise Balls To Satisfy The Needs Of Most Small Animals From Dward Hamsters To Ferrets And Chinchillas. Kritter Krawlers And Komet Krawlers Allow Pets The Freedom To Roam While Being Safely Confined And They Quickly Learn To Maneuver Aroound Common Household Obstacles With Ease.Available In Colored Clear Or Glow In The Dark. The Ribs Inside To Provide Better Gripping Power For Pets Except For Dwarf Size. Shatter Resistant Plastic Well Ventilated. Designed For Use By Hamsters Gerbils And Other Small Animals. Designed For Use By Hamsters Gerbils And Other Small Animals. Ideal For Guinea Pigs Small Exotic Rats Hedgehogs And Chinchillas. Ideal For Guinea Pigs Small Exotic Rats Hedgehogs And Chinchillas. The Giant Size Has A Whopping 12 12 Inch Dia. Perfect For Guinea Pigs Ferrets Large Exotic Rats Hedgehogs And Other Small Animals. The Giant Size Has A Whopping 12 12 Inch Dia. Perfect For Guinea Pigs Ferrets Large Exotic Rats Hedgehogs And Other Small Animals.