Volume Control Has On/Off Switch Coordinates with the Calypso Collection This Calypso Musical Mobile features two cute little furry koalas and two sweet elephants underneath a canopy of leaves. The scrunchie is a feathered gray print. A happy bird decorates the music box. This battery operated musical mobile plays nursery songs for 20 minutes and has an on/off switch along with volume control.  It plays Brahms's Lullaby, Twinkle Twinkle Little Star, and Rock-A-Bye Baby. Imported.