Fruity PEBBLES. The Fruity way to rock. Fruity PEBBLES™ cereal is a sweetened crispy rice cereal with intense fruity flavor. Fruity PEBBLES cerFruity PEBBLES. The Fruity way to rock. Fruity PEBBLES cereal is a sweetened crispy rice cereal with intense fruity flavor. Fruity PEBBLES™cereal, with its delicious taste has been a family favorite for over 40 years!eal, with its delicious taste has been a family favorite for over 40 years!