The Mighty Whoopee Cushion is of course the classic gag to play on someone and it's 12 inches. Place this under a cushion and when they sit down it will let out an Large Embarrassing Sound. Your victim will never suspect anything! Use over and over. Measures 12 inches in diameter, make sure you do not over inflate.
Publisher: Go Games!
Product Material: Plastic
Packaging Dimensions: 9.5" X 4.25"
Item ID: 400069418318