An online game might be the secret weapon for winning the war against childhood obesity. Researchers at George Mason University have designed and tested a nutrition education program called "Color My Pyramid" to teach students how to evaluate their dietary intake and activity level. The program incorporates the Department of Agriculture's MyPyramid.gov for Kids Blast-Off Game, an interactive computer game that allows kids to win by fueling their rocket with nutritious foods and a healthy level of physical activity.