Help Their Smile Grow. The Oral-B Kid's Manual Toothbrush featuring Disney's Mickey and Minnie Mouse is the perfect kids toothbrush for your child. At this stage of their evolving oral health, kids ages 3+ are just learning how to brush as their baby teeth grow. This toothbrush is sized to surround and clean their pearly whites and reach tricky back teeth while protecting their tender gums with soft bristles. Best of all, this toothbrush is compatible with the interactive Disney MagicTimer App by Oral-B to help your kids brush for a dentist-recommended 2 minutes. Oral-B, the brand more dentists use themselves worldwide.