Bullet Points : 1 > With Over 500 Strokes Per Second, Our Patented Sonic Cleaning Power Helps Compensate For Developing Techniques As Children Grow Better At Brushing 2 >75% More Effective In Hard-To-Reach Places Than Manual Toothbrushes For Better Checkups - Guaranteed Or Your Money Back! 3 >Sonicare For Kids Friendly Features Help Make Brushing Fun And Easy For Kids To Do! 4 >Kidtimer Gradually Increases To 2 Minutes To Train Kids To Brush Longer 5 >Stabilized Hand Piece Helps To Apply Toothpaste While The Toothbrush Lies Flat On The Counter Description : Philips Sonicare For Kids 7+ Genuine Replacement Toothbrush Heads, 2 Brush Heads, Turquoise And White, Standard, Hx6042/94