Photos: Gadgets to fight germs, fat, and frizz

Tanita's scale for kids, set to come to the United States from Asia in the fall, also provides information about body fat and stores data for four people. The company is targeting the growing market for parents worried about their children's ever-expanding waistlines. It offers a $150 Bluetooth scale that can feed your weight to a nearby computer wirelessly. Step on its InnerScan 50 scale in bare feet, and it sends an electrical current up your legs to detect your body's muscle mass and water weight.