The Onondaga County Office for Aging will sponsor a free event for seniors, age 60 and older, at The Dunbar Center from 10:30 a.m. to 1 p.m. Friday, Sept. 21, with falls education, strength and balance screening, a strength and balance exercise class and lunch from noon to 1 p.m. Reservations are required; call the Onondaga County Office for Aging at (315) 435-2362 ext. 4942 by Sept. 14.