New Jersey Blood Services, a division of New York Blood Center, honors Gracie Skuches, 2 1/2-year-old with a brain tumor, and Alex Hammer, a 4-year-old with lymphoma, with a blood drive at the Knights of Columbus Hall, 79 Pascack Road, 2-8 p.m. Go to www.nybc.org and use group code 68937 or call 800-933-BLOOD (2566) to make an appointment. Walk–ins are welcome.