So gentle on the gum thanks to its ultra-soft bristles. Battery-powered, Its voice instructions coach your child through when to brush each quadrant of their mouth. Minions provide sound effects as a reward and to congratulate after 2 minutes of brushing. It has extra soft bristles with different heights, to deeply clean large and small teeth. Comfortable handle that makes it easier to use. Brush lays flat for easy toothpaste application It has anti-plaque action. Made for ages 3 and up.