Fart Whistle Classic Party Joke Prank Gag Novelty Trick Game Noise Kids Party Bag Filler There's no point denying it: from childhood onwards, farts are funny! Human ingenuity has produced numerous ways to replicate the characteristic sound and one method is the Fart Whistle. Small enough to be hidden in a pocket and then stealthily produced when the occasion calls for it. Approx 11cm