Hand in Hand Children's Center at 462 Walpole St. in Norwood will hold a bone marrow drive sponsored by the Be the Match National Registry on Saturday from 9 a.m. to 3 p.m. The drive is being held in honor of Rhode Island resident Gabriel Ibarra, who was diagnosed with aplastic anemia in March, according to a news release about the event. Donors must be between the ages of 18 and 60 and meet certain health guidelines that organizers will discuss at the drive. Donors will be asked to give a cheek swab. To make an appointment or for more information, visit www.halfpints.childrenshospital.org or call 781-702-6591, ext. 222.