Superior cleaning in seconds. ; The Philips Sonicare For Kids standard toothbrush head features a contoured profile to fit your childs teeth Age 7+ and soft bristles for a gently cleaning experience. Also features rubber molding on the back of the brush head for a safer, more pleasant cleaning. than a manual toothbrush. Model number: hx6042/36. Pack of 2. Maximum cleaning performance: the philips sonicare for kids brush head is clinically proven to provide superior plaque removal beyond a manual toothbrush. Compatible with healthywhite+, for kids. For ages 7 years and over.