Press the musical button and it will loop three kinds of music. It also can play better together with the top surface function. Toggling the scroll letter button, it will trigger the voice and sound of ABC

Pull the caterpillar, the chick will dance with the rhythm. Press the piano button and you will hear the piano note and the light will flash with the sound

Press the musical instruments button and it will emit three kinds of musical instruments: trumpet, violin, and piano. It also can play better together with the top surface function. Press the shape button and it will make the English pronunciation of the color, light, and shape

Turn the gear scale button, the three gears will be linked together with a melody play. The rhythm will change with the speed of the gear.