Sara Burton has that magic touch. The 11-year-old from Cypress, Texas, just beat 200 other kid performers to be named the nation's best kid magician in a contest sponsored by Kellogg's cereals. Sara can change rosebuds from red to yellow, and she's a master card trickster. Her toughest trick: making things float above the ground. "Gravity is something that you can't really mess with," she says.