July 5

American Red Cross, Hawaii State Chapter, 4155 Diamond Head Road, 9 a.m.-3:20 p.m., $110. Get trained to recognize and care for victims of illness and sudden injuries and life-threatening respiratory or cardiac emergencies in adults, children, and infants and learn how to use an AED. Pre-registration required. (1-800-733-2767, redcross.org/take-a-class)

American Red Cross, Hawaii State Chapter, 4155 Diamond Head Road, 9-11:55 a.m., $70. Learn to recognize and care for victims of life-threatening respiratory or cardiac emergencies and to use an AED on adults. Pre-registration required. (1-800-733-2767, redcross.org/take-a-class)

American Red Cross, Hawaii State Chapter, 4155 Diamond Head Road, 9 a.m.-2:40 p.m., $90. Get trained to recognize and care for victims of illness and sudden injuries and learn how to administer CPR and use an AED for life-threatening respiratory or cardiac emergencies on adults. Pre-registration required. (1-800-733-2767, redcross.org/take-a-class)

Pacific Aviation Museum Pearl Harbor, July 5-8, 9 a.m.-3:45 p.m., $240. Students in grades 3-5 learn more about aerospace, focusing on robotic telescopes, “soft” landings, art, astrophotography and more. (441-1005, pacificaviationmuseum.org)

Kaiser High School parking lot, 511 Lunalilo Home Road, 4-7 p.m., free. Bring a plant, cutting or seed and take another in exchange. Don’t have any to give? Bring empty pots to be refilled for the next event. Don’t have those either? Take a plant and leave a voluntary donation to Kaiser’s PTSA. (auntie@eastoahu96825.com, eastoahu96825.com/plants)

Kahuku Public & School Library, 6 p.m., free. Learn more about playing Dungeons & Dragons. (293-8935)

Ala Moana Center, Center Stage, 5 p.m., free. (955-9517)