EITHEO Original hand crank music box just turn the handle and it will play this well known tune. This HAPPY BIRTHDAY MULTI themed music box makes a great gift for any music lover. The design is inspired by vintage storage boxes with a track name engraving on the inside. Playing the song in a steady but slow pace lasts about 30 seconds, and then you can repeat it. The box is of small size and it is easy to carry and won’t take much space in your home and it’s a great gift for your family, friends or colleagues.