At Stage 3 of their evolving oral health, kids brushing from ages 5-7 will be losing some baby teeth as their molars start to grow. Its the perfect time to teach them how to brush their teeth properly as they begin to understand what makes for the best brushing habits. Oral-B Pro-Health Stages Monsters, Inc. manual kids toothbrush surrounds and cleans their pearly whites and helps them reach tricky back teeth while protecting tender gums. The shape is perfect for little hands and small mouths, giving them a thorough clean even if their technique is anything but.