Twirlytunes Rubber Ducky Music Box by The San Francisco Music Box Company This hand painted wooden music box sends these ducks twirling. Plays Tune:" Rubber Ducky Song", 18 note movement Dimensions: 4.33 H x 4.53 W x 4.53 D From the Twirlytunes Collection Wind up on bottom, ducks rotate in a circle when the music is plaing.