The child can discover the musical notes, recognize the typical sounds of each musical instrument within the orchestra and learn the sense of rhythm; suitable from 1 to 4 years of age Orchestra Mode: Move the circular switch and play all the musical instruments in the orchestra, one at a time or all together at the same time Composition mode: listen to the musical notes and follow the lights to compose all the melodies step by step 7 musical instruments to play, to understand through experience the specific sound of each family of musical instruments, 20 songs and 5 musical genres 7 lights, one for each note, which help the child to recognize the correspondence between the sound of the musical note and the key of the piano