September 27

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

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

Verizon Wireless at Windward Mall, 9-10 a.m., free. Learn how to use your new iPad. Pre-registration required. (vzwworkshops.verizonwireless.com/vzwworkshops/)

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

Verizon Wireless at Windward Mall, 9-10 a.m., free. Learn how to use your new iPhone. Pre-registration required. (vzwworkshops.verizonwireless.com/vzwworkshops/)

Art Explorium, 1142 Koko Head Ave., 2:30-4 p.m., $25. Construct and decorate a ceramic pendulum used to suspend a tillandsia (air plant). Students will use twine, clay, underglazes, and tillandsias (air plants) to create this project. Pre-registration required. (artexplorium.org)

Hanauma Bay Nature Preserve, Education Alcove Classroom, 3-4 p.m., free. Presentation of “Pacific Whaling and the Civil War: The Sesquicentennial of the CSS Shenandoah Voyage” by Suzanne Finney, University of Hawaii at Manoa. (397-5840)

Koko Head District Park, 423 Kaumakani St., 2-4 p.m., $80/registration. Diamond Head AYSO will be conducting its 2016 Spring Walk-in Registration for children interested in playing soccer. Registration fee includes jersey, shorts and socks, age group award and picture taking. (r48registrar@aysohawaii.org)

McKinley High School, 9 a.m.-1 p.m., free. Save your recyclable waste and help turn trash into cash for community programs. Acceptable items include scrap metal, cell phones, batteries, computers, HI-5 beverage containers and more. (291-6151, renemansho@hawaii.rr.com)

Ala Moana Center, 10 a.m.-noon, free. Check out the finals of the 2015 Healthy Baby Contest, coordinated by the Honolulu Chinese Jaycees. (hawaiihealthybabycontest.com)

Sunset Beach Elementary School, 2-5 p.m., free. UH Law School’s Energy Justice Working Group hosts a meeting to inform the public about the HEI and NextEra merger, and collect feedback and comments. (956-9435, 647-4044)

Honolulu Polo Club in Waimanalo, Sundays through Oct. 25, 3 p.m., $5. Enjoy the 29th season of polo with Honolulu Polo Club. (honolulupolo.com, 521-6927)

Aloha Stadium, check website for times and cost. Sports Car Club of America hosts solo competitive driving for both male and female drivers. Pre-registration required. (sccahawaii.org, jenn24parker@gmail.com)

Hawaii Nature Center, 9:30-11:30 a.m., $10. Ever wonder if millipedes tickle when they walk on your hand or where grasshoppers and spiders hide in the meadow? Find the answers to these questions and learn all about the insects, bugs and spiders of Makiki Valley. Pre-registration required. (955-0100 ext. 118)

Hawaii Theatre, 4 p.m., $40-$45. The most exciting new group on Chicago’s music scene is a spicy mix of Latin, Spanish, Sephardic, Balkan and classical sounds founded by four multi-award-winning, globe-trotting virtuosi — Eugenia Moliner, flute; Desirée Ruhstrat, violin; Denis Azabagic, guitar; and David Cunliffe, cello. (hawaiitheatre.com)

Kapiolani Bandstand, 12:30 p.m., free. Royal Hawaiian Band performs at the Century Bike Race. (922-5331)

Ala Moana Center, 3 p.m., free. (955-9517)

Meet at top of Haiku Road near new preschool, 9 a.m.-1 p.m., $10-$20/suggested donation. In addition to service work on heiau and other areas, volunteers will share mo‘olelo and history of the valley and their vision for future cultural preserve. Pre-registration required. (235-8111, legendsofkoolau@aol.com)