The standard music clock with the melody “Sleep My Prince, Sleep in” gently helps you fall asleep. It is suitable for all Fehn standard music boxes and can be easily replaced via the safety zipper on the music box. The mechanical game is activated by a lift and has a playing time of approx. 2-3 minutes. Thanks to a gentle, even melody, the music box work reliably helps you fall asleep. - “Sleep, my prince, sleep in” (also known as Mozart's lullaby) was assigned to Wolfgang Amadeus Mozart for years. According to new research, however, the song is probably by Friedrich Anton Fleischmann. A very popular and well-known lullaby. Size: 5.4 x 4.8 x 3.2 Weiss from 0+ months Washability: Washable music box music box Greifring