This toothpaste is compatible with the interactive Disney MagicTimer App by Oral-B to help your kids brush for a dentist-recommended 2 minutes. A Winning Formula for Memorable Smiles. The Crest Kid’s Toothpaste featuring Disney Princess is the perfect kid’s toothpaste with a fun bubblegum flavor. As their oral health evolves, it is important that they continue to get effective cavity protection as they lose baby teeth and their permanent teeth start to grow. This Crest toothpaste strengthens enamel and protects against cavities with a mild paste formula.