Abstract: An alert system allows a dog to ring chimes that has been specially made for dogs, although the alert system can be used for other household pets as well. A beautiful sound resonates throughout the home to inform individuals that the dog needs to go out. The alert system may include a plurality of chimes arranged on a base that is either attached to a door hinge pin or mounted on a wall. Unlike conventional wind chimes, the dog door chimes does not include a wind catcher to cause the chimes to ring. Instead, the chimes are configured to sound when nudged by a dog's paw, body, head or nose, for example. The dog door chimes may include a relatively large ringer to prevent chewing thereupon by dogs.