Our Wood Dumbbells Small Animal Chew Toy is great for your small animal. This chew toy is made from all natural, china-fir trees which provides a durable and strong chewing surface which helps wear down growing teeth. This fun chew toy also provides plenty of exercise for your gerbil, hamster, rat or mouse while he or she pushes this dumbbell chew toy around. Your small animal can't weight to get his or her hands on this toy! The activity this chew toy provides will entertain your pet, relieve stress and boredom too!