Includes 2 AAA batteries. Slim handle, easy to hold. Discover fun brushing tips and games at www.colgate.com/kids. Great clean made fun! Clean your teeth better than with a manual brush and make brushing fun! Enjoy all the different designs! 1. Small oscillating head with extra soft bristles: Cleans teeth and gently sweeps away plaque. 2. Easy on/off buttons. 3. Slim handle. 4. 2 replaceable AAA alkaline batteries. Do not install batteries backwards, charge, put in fire or mix with other battery types. May explode or leak causing injury. Replace all batteries at the same time. Brush lays flat for easy toothpaste application. www.colgate.com. www.colgate.ca. Made in China.