Arrange cake balls on frosting for cheeks. Insert short strips of shoestring licorice into cheeks for whiskers. Outline eyes with shoestring licorice; add short strips for eyelashes. Use black gumdrops for pupils of eyes, pink licorice candy for nose, red gumdrop for mouth and gum for teeth. Cut striped gum into narrow pieces and place in centers of ears. Decorate with magician's hat and magic wand if desired. Store loosely covered.