KidTimer extends brushing time each day until dentist recommended 2 minutes is reached KidPacer alerts the child to move to the next quadrant of the mouth to ensure a thorough cleaning 75% more effective than manual toothbrushes in hard to reach places 8 cool design stickers + 2 bonus sticker sheets for a fun and customized brush Rubberized and extra soft brush head is designed to protect young teeth Philips Sonicare for Kids Rechargeable Electric Toothbrush - HX6311/07 Sonicare For Kids has been engineered to be kid-friendly at each brushing phase. Power levels, brush heads, and bristles are specially designed for small, sensitive mouths. Complete with ergonomic handles, Sonicare For Kids makes brushing comfortable and easy. It even features the KidTimer and KidPacer help kids learn to brush for a full two minutes. Sonicare For Kids is safe and gentle on teeth and gingival tissue, while reaching more plaque in hard-to-brush areas than a children's manual toothbrush.