These Philips Sonicare for Kids toothbrush heads encourages healthy brushing habits and delivers outstanding results. These compact brush heads are designed for smaller mouths ages 3-7 and have rubber molding to protect children s sensitive teeth. The soft bristles are designed for small teeth and developing gums. The Sonicare for Kids brush heads snap on and off for easy cleaning. For best results a new brush head is recommended every 3 months. A fresh brush head every 3 months maximizes the effectiveness of Philips’ unique Sonicare technology. 2 Compact Kids Brush Heads