Rae Pica is a children's physical activity specialist and the author ofA Running Start: How Play, Physical Activity, and Free Time Create a Successful Child Great Games for Young Children. She has shared her expertise with such clients as the Sesame Street Research Department, the Centers for Disease Control, Gymboree Play & Music, and the President's Council on Physical Fitness & Sports. You can visit Rae at www.movingandlearning.com.