3+ years. For longer brushing with: Disney Magic Timer free app. Battery toothbrush. Designed for kids 3+ years of age. Rotating brush head has a raised center row to clean chewing surfaces where cavities tend to form. Ergonomic handle designed for children's small hands. Brush head is not replaceable. Gently brush each tooth. Customer Service Number: 1-800-56-OralB (1-800-566-7252). www.oralb.com. www.oralb.ca. www.disney.com. www.pg.com. Available on App Store & Google play. Available on the AppStore. Get it on Google Play. Made in China.