The mobile game with the melody “Schlafe mein Prinzlein” gently helps you fall asleep. It is suitable for all Fehn music mobiles and can easily be attached to the Fehn Mobile frame. The mechanical game is activated by turning it on, has an on/off switch and a playing time of approx. 3-4 minutes. Thanks to the slow turning function, the music box movement 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: Ø 6.8 x 10 Weiss from 0-5 months Washability: Washable music box music box