Melt some butter and pass the salt! It's time to get your munch on with the help of these Paper Popcorn Boxes. If you're planning a slumber party, awards night, movie night, circus, or carnival themed celebration, you won't want to pass up on your very own popcorn boxes. Serve them up to your movie guests with a few prize tickets and a sprinkling of star confetti. Or if you're planning a backyard carnival or circus themed birthday party, make them into an unforgettable favor by adding a set of rainbow beads, some colorful balloons, and a plastic kazoo.