Washable 18-note pull string musical mechanism / musical box for baby security blankets : Happy (Pharrell Williams) is available in Music Boxes

18-note washable pull string musical mechanism / musical box for baby security blankets. This is a watertight pull string musical mechanism. This type of pull string musical mechanism is often inserted in dolls, pillows and stuffed animals. The musical mechanism is wound with a pull of the string. When the string is released, the melody plays as the string returns to its plastic casing. The pull string musical mechanism comes with a white plastic pull ball. Melody for this 18-note washable pull string musical mechanism / 18-note musical box : Happy (Pharrell Williams).