The original stovetop popcorn popper! The Whirley-Pop's unique crank mechanism ensures that every kernel pops by continuously stirring the corn and oil. Steam vents allow moisture to escape, making the fluffiest, crispiest popcorn ever. Includes one all-inclusive Real Theatre popcorn package and instruction guide. Purchase additional popcorn packs or use your own popcorn and oil. 25 year warranty.