Kaiser Permanente has developed a free online game that teaches 9- and 10-year-olds about healthy eating and exercise. Called "The Incredible Adventures of the Amazing Food Detective," the game takes a novel approach. After playing for about 20 minutes, the game locks players out -- and won't unlock for another hour. The purpose is to get kids to stop playing computer games and go outside for some fresh air and exercise. The game teaches kids how to read food labels, how to measure the amount of sugar in drinks and other health skills.