Product Details 6+ years. Great for kids 6 years and older, brushing on their own. CrossAction Bristles: Remove gunk, like plaque and food particles, in hard-to-reach areas. Textured Tongue Cleaner: Remove odor-causing germs on your tongue. Brush Handle: Designed for smaller hands and brushing techniques of kids. Oral-B, The brand more dentists use themselves worldwide.www.oralb.com. www.pg.com. Customer Service Number: 1-800-56-OralB (1-800-566-7252).