Crest Kids Advanced Fluoride Toothpaste Bubblegum Flavored 4.2 oz makes their smiles as bright as their futures. Crest Advanced Kids Fluoride Toothpaste is the #1 dentist-recommended kids toothpaste. Crest color changing kids toothpaste with fluoride changes color from blue to pink after 2 minutes helping them brush up to 2X longer. Crest helps protect kids teeth as they transition from toddler to adolescence by helping them establish an oral care routine at an early age. Crest kids fluoride toothpaste contains fluoride to promote healthier teeth and fight cavities while making brushing fun with its yummy bubble gum flavor.