The national event is designed to heighten crime and drug prevention awareness, strengthen neighborhood spirit and generate support for local anticrime programs. Includes visits and information from Schaumburg Police Dept.'s officers, bike and motor patrol, state representatives and the fire department, a D.J., music, silly games, contests and sidewalk chalk play. From 7:30-8:30 p.m., open swim is available in Meineke Pool. Barbecued concessions and drinks sold for a minimal cost.