Andoer 31 Keys Multifunctional Mini Simulation Piano Toy with Detachable Microphone Electrical Keyboard Electone Gift for Babies Children Kids There are 31 keys on keyboard of this simulation piano. 6 tones: piano 1, piano 2, organ, trumpet, guitar and violin. 6 rhythms: march, disco, new new, rock, blues and samba. 22 melodies demo songs,Extra 4 drum sound and 4 animal sound. Note: New New is a music effect of twist dance. Just as a simulation instrument toy, it can not reach the real effect of piano and microphone.