Quack quack duckling. Selected Songs for Little Children is an audio-visual product produced and distributed by Hubei Audio-visual Art Publishing House, which includes songs such as Sitting in Rows, Little Star, Little Rabbit and Little Duck Quack Quack Quack. The theme of children's intellectual development, with children's innocent and lively pictures and brand-new animation production, truly shows children's lovely childlike interest and makes them develop better in morality, intelligence and physique.