DESC: Start with the flute and add in the piano. Drop the piano and bring in the violin. It's that simple! Add or subtract instruments while the music plays without missing a beat. Press any button to start the music and watch the instrument buttons flash in tempo to the beat. Please Note: Requires 3 ALKALINE double A batteries. 8 different selections including: Non Piu Andrai, Twinkle, Twinkle, Magic Flute aria - Der Vogelfanger Measures approx. 5"x5"x5"