Mason Eber, 13, left, and his sister, Peyton Eber, 11, compete in the chocolate eating contest at ChocolateFest in Burlington, Wis., Saturday May 24, 2008. Mason won his heat, downing nine bite-size Nestle Crunch bars in two minutes. The finals of the contest are Monday afternoon at 4 p.m. The contest is sponsored by a dental clinic.