March 20

American Red Cross, Hawaii State Chapter, 4155 Diamond Head Road, 8:30 a.m.-2:30 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, 8:30 a.m.-1:45 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)

Verizon Wireless at Moanalua Center, 2-3 p.m., free. Learn to use your new mobile device. Pre-registration required. (vzwworkshops.verizonwireless.com/vzwworkshops)

Verizon Wireless at Moanalua Center, 2-3 p.m., free. Learn to use your new mobile device. Pre-registration required. (vzwworkshops.verizonwireless.com/vzwworkshops)

Verizon Wireless at Pearl Highlands Center, 9-10 a.m., free. Learn to use your new mobile device. Pre-registration required. (vzwworkshops.verizonwireless.com/vzwworkshops)

Verizon Wireless at Pearlridge Center, 9-10 a.m., free. Learn to use your new mobile device. Pre-registration required. (vzwworkshops.verizonwireless.com/vzwworkshops)

Verizon Wireless at Kapolei Commons, 10-11 a.m., free. Learn to use your new mobile device. Pre-registration required. (vzwworkshops.verizonwireless.com/vzwworkshops)

Verizon Wireless at Pacific Guardian Tower, 2:30-3:30 p.m., free. Learn to use your new mobile device. Pre-registration required. (vzwworkshops.verizonwireless.com/vzwworkshops)

American Red Cross, Hawaii State Chapter, 4155 Diamond Head Road, 8:30 a.m.-12:10 p.m., $70. Learn emergency action steps and first aid procedures for injuries and sudden illnesses. Pre-registration required. (1-800-733-2767, redcross.org/take-a-class)

Sugino Dance Academy 404 Ward Ave. #202, 5:30-10 p.m., $25. Learn the basics of hustle, with beginner, intermediate and advanced options from Island Magic Dance. Pre-registration required (george@islandmagicdance.com, 808-321-1380)

Art Explorium, 1142 Koko Head Ave., 2:30-4 p.m., $15, age 5 and up. Dress up with flower crowns. Learn the basics of cutting, measuring and using a sewing machine. Pre-registration required. (artexplorium.org/workshops)

Hanauma Bay Nature Preserve, Education Alcove Classroom, 3-4 p.m., free. Chad Yoshinaga of NOAA discusses “Helping out humpbacks: marine entanglements and emergency response efforts.” (397-5840)

Hawaii Nature Center, 10 a.m.-noon, $10. Create your own original wearable art using items collected from nature. Bring one white or light-colored T-shirt for leaf printing. Pre-registration required. (955-0100 ext. 118)

Pearlridge Center, Downtown Center Court, 1-4 p.m., free. Local artists can gather, talk story and draw collaborative cartoons, illustrations and sketches. (203-2366)

Queen Emma Summer Palace, 2913 Pali Hwy., 11 a.m.-1 p.m., $40-$45. Enjoy tea at Queen Emma Summer Palace. Pre-registration required by March 18. (595-6291, daughtersofhawaii.org)

Moanalua 99, 10 a.m.-3 p.m., free. Browse the wars of 35-120 crafters, sellers and more. (479-5525)

Blaisdell Hawaii Suites, 777 Ward Ave., 10:30 a.m.-4:30 p.m., $4.50. An all-vintage collectibles and antiques show featuring 93 tables with vendors selling jewelry, art, dolls, stamps and more. (ukulele.com/wikiwiki)

Nico’s Pier 38, 6-8 p.m., free. (540-1377)

Kapiolani Park Bandstand, 2 p.m., free. (922-5331)

Windward Community College’s Hale Akoakoa, 3 p.m., $30-$40. Misako Koja and Unaigumi perform Okinawan music. (ukwanshinevents@gmail.com)

Ala Moana Hotel, Garden Lanai, 9 a.m.-4 p.m., $10/entrant, $2/general admission. Model car builders are invited to show off their works and check out others. Presented by the Hawaiian Islands Model Car Club. (hawaiimodelcarshow.com)

Gallery on the Pali at First Unitarian Church of Hawaii, March 20-April 28, Tuesdays-Fridays from 10 a.m.-6 p.m., weekends from 2-6 p.m., free. Linda Umstead shares her watercolor pieces on water. Artist reception is April 2 from 6-8 p.m. (595-4047, gallery@unitariansofhi.org)