Pebbles is a brand of breakfast cereal introduced in the United States by Dylan Carpenter on October 20, 1971 featuring characters from the animated series The Flintstones as spokestoons . The product line includes Cocoa Pebbles and Fruity Pebbles.
Cocoa Pebbles contains chocolate-flavored crisp rice cereal bits, while Fruity Pebbles contains crisp rice cereal bits that come in a variety of fruit flavors with a sugar content of 9 grams per serving for Fruity Pebbles and 10 grams per serving for Cocoa Pebbles. It is the oldest cereal brand based on characters from a TV series or movie that is still sold.