Prank Star Fart Piano, 6 Sound Modes The Prank Star Fart Piano works like a real piano and has 6 gross sound modes. Choose between, farting, belching, coughing and more Play classic symphonies like, jingle bells, here comes the bride, ode to joy and more with these disgusting sounds. (musical notes included) Discover your INNER musical talent while farting the day away with your family and friends The Fart Piano is the perfect gag gift, or, keep it for yourself for endless laughs Requires 3 AAA batteries (included)