A film festival, a culinary challenge and a runway fashion show are only a few of the entertaining and educational events awaiting visitors to the 4-H Exhibits Building at the 2010 Iowa State Fair Aug. 12-22. Extension 4-H Youth Development returns to State Fair with a variety of events and some 3,800 exhibits prepared by Iowa 4-H’ers. In addition, 4-H’ers will be exhibiting livestock at various venues throughout the fairgrounds.