Festival of Trees: The Queens Medical Center Auxiliarys annual show-and-sell fund-raiser opens 10 a.m. to 3 p.m. Friday through Sunday in the Amfac Plaza Exhibition Hall. Admission $1 adults; free for children. Call 547-4397.
Fun Fair: Games, crafts, a silent auction featuring 12 new computer systems, and more, 10 a.m. to 2 p.m. Saturday, Salt Lake Elementary School, 1131 Ala Lilikoi St. Call 831-7870. Organized by the Parent Teacher Organization.
Auto Donation Roundup: Oahu residents may donate their vehicles and take a tax deduction for a charitable contribution to the American Lung Association of Hawaii, Dec. 14. Automobiles, motorcycles, mopeds and boats with a clear title, safety inspection and current registration may be donated. Drivers will receive a ride home and a complimentary lunch. Call Tim Pfister at 537-5966 ext. 304.