Carnival King All-In-One Popcorn Kit for 8 oz. Poppers - 24/Case. For use with 8-10 oz. To use, simply let your 8 oz. Within minutes your kettle will be filled with buttery, fresh popcorn! Pop a single kettle of popcorn with this hassle-free Carnival King all-in-one popcorn kit for 8-10 oz.