Classical Music Ballerina Wind-Up Musical Box: Waltz of the Flowers Ballet (from the Nutcracker). Ballerina Wind-Up Music Box. This beautifully designed music box stands on a copper colored base and is covered with a plastic dome. Wind up the base and the ballerina dances and twirls to the music. Ages: 3 & UP. &lt;easures 5" tall and 4 1/4" wide.