Oral-B Kids Replacement Brush Heads are perfect for kids to get a healthy, thorough clean. The special brush head design is suitable for the mouths of kids and provides an amazing tooth-by-tooth clean. Use these brush head refills with the Oral-B Kids Rechargeable Toothbrushes to unlock the Disney Magic Timer App by Oral-B that revolutionizes the way children brush for a dentist-recommended 2 minutes. Oral-B is the #1 brand used and recommended by dentists worldwide.