Fruit-sweetened corn and oat puffs breakfast cereal. Trix Cereal is made up of corn puffs with many fruity flavors – raspberry red, lemony lemon, orangey orange, wildberry blue, grapity purple and watermelon. Fortified with 12 vitamins and minerals, Trix is also a good source of calcium, making Trix a fun and healthy way to start the day.