1. A toilet training system comprising: a disposable absorbent article including a first wetness sensor; a signaling device adapted to be removably attachable to the disposable absorbent article, adapted to communicate with the first wetness sensor, providing a first feedback mode of a wetness state of the disposable absorbent article and providing a second feedback mode of the wetness state of the disposable absorbent article, wherein the second feedback mode is different from the first feedback mode, and wherein the device is selectable between the first and second feedback modes.