Fruity PEBBLES with Marshmallows is a sweet, fruity treat full of marshmallow-y goodness. To experience this fun-tastic fruity marshmallow-y cereal, just pour yourself a bowl any time of the day! The Marshmallow-y way to rock Fruity PEBBLES. Fruity PEBBLES with Marshmallows is a gluten free breakfast cereal. Do you love to bake or make sweet treats? Try Fruity PEBBLES with marshmallows in your next recipe - it's great as an ingredient in snack mixes and bars or as a topping for your favorite ice cream.