Have a gas when you prank a friend or family member with this funny fart whistle. Featuring a wide mouthpiece and rubber flapper, this novelty noise maker is sure to make you and your friends roll on the floor laughing. For a practical office joke, simply keep it in your pocket and blow it whenever a co-worker or colleague bends over to pick something off the floor. Use it in a doctor's office and just blow it as an unsuspecting patient walks by it on their way to the receptionist's desk and watch the patient recoil in embarrassment because excessive flatulence was the reason for his visit. Use it in the classroom to get laughs at the teacher's expense. Give this funny fart toy as a gag gift to friends and family members and let the laughs ensue. Small enough to fit in your pocket or purse, this fart whistle measures approximately 4 1/4" long, 3/4" wide, and 3/4" thick. As with all our items, this fart prank ships brand new with our 100% customer satisfaction guarantee.