Motion activated fart sounds 10 realistic fart sounds Launch a fart attack! Collect them all! "Try me - Pull finger tab in back" Surprise and disgust your friends with fart sounds when they least expect it! Hide your Fart Ninja figure and launch a fart attack. This ninja clan has characters with 10 realistic fart sounds activated by a motion sensor. These stealthy ninjas really let em' rip! Fart Ninjas, "Silent, Butt Deadly". For Ages 5+