April 11

Windward Community College, Hale Kuhina 112, 45-720 Keaahala Road, 8:30-10:30 a.m., $45. This hands-on course for beginners will introduce basic features of Facebook: create a profile; review privacy settings and online safety; connect with friends and family with meaningful updates and interactions. Laptop or mobile device required. (235-7433, windwardcce.org/social-media.htm)

Honolulu Museum of Art School, 1111 Victoria St., Saturdays from April 11-May 9, 11:30 a.m.-12:30 p.m., check website for cost. Local ikebana masters share their expertise and joy of flower arranging with youth grades 2-12. (532-8741, honolulumuseum.org/learn/classes)

Halawa Xeriscape Garden, 99-1268 Iwaena St., 10:30 a.m.-noon, $5. This fun, innovative workshop teaches Integrated Pest Management (IPM) techniques, companion planting and how to make creative pest traps from repurposed materials at home. Bring a plastic liter bottle. Pre-registration required. (748-5363, workshops@hbws.org)

Event location in Waikiki provided with RSVP, 1-5 p.m., $40. Craving mentally stimulating interactions, paradigm-challenging conversations, or do discussions on artificial intelligence and big data pique your interest? Find out if Mensa might be for you. (240-2092, testing@hawaii.us.mensa.org)

Windward Community College, Hale Kuhina 114, 45-720 Keaahala Road, 9 a.m.-noon, free. This workshop will explain in lay terms the safety and security issues in computer technology and what the Internet poses to the user. (235-7433, windwardcce.org/free-classes.htm)

Windward Community College, Hale Kuhina 112, 45-720 Keaahala Road, 10 a.m.-noon, $59. Make the most of the updates, photos and videos you share. Engage with favorite artists, organizations, brands and interest groups. Organize your friend list and your newsfeed to be more useful and relevant. Get up to speed on Facebook Events, Groups and Pages. (235-7433, windwardcce.org/social-media.htm)

The Green House, 224 Pakohana St., 1-3 p.m., $25. Create a batch of handmade soap and re-imagine the cleaning recipes our grandmothers used to make using pure essential oils. Pre-registration required. (524-8427, thegreenhousehawaii.com)

Windward Community College, Hale Kuhina 106, 45-720 Keaahala Road, 9 a.m.-noon, $47. Learn about the basic types of solar PV systems on the market today, mounting options, living on the grid versus off the grid, how to conserve energy and potential cost savings to you. Bring your electric bill to class. (235-7433, windwardcce.org/photovoltaic.htm)

Halawa Xeriscape Garden, 99-1268 Iwaena St., 10:30 a.m.-noon, $35. Participants will learn about rain barrel catchment systems, important construction points, installation and effective maintenance techniques. Pre-registration required. (748-5363, workshops@hbws.org)

Waianae High School, 85-251 Farrington Hwy., 9 a.m.-noon, free. Volunteer attorneys will meet individually with you to provide legal advice for family law, estate planning, district court and bankruptcy cases for low- to moderate-income individuals. Pre-registration recommended. (528-7046)

Geobunga Salt Lake, 4404 Malaai St., 9-10 a.m., free. Learn the simple act of growing water lilies, lotus and marginal plants that are durable and easy to maintain. Pre-registration required. (geobunga.com/workshops)

360 Strong, 91-1021 Shangrila St. Build. 965, 8 a.m.-3 p.m., free. Celebrate 360 Strong’s one-year anniversary with free classes and eight health and beauty vendors on site. (360strong.com)

Moanalua Elementary School, 9 a.m.-1 p.m., free. Over 60 craft vendors, plus aloha party experts, fresh produce, book exchange, BBBS cash for clothes, swap meets and more. A recycling drive will be at Moanalua Middle School from 9 a.m.-noon. (alohaaina@moanaluapto.org)

Kaneohe Bay Shopping Center, 46-047 Kamehameha Hwy., 7 a.m.-noon, free. Donate blood to save lives. Appointment recommended. (848-4770, bbh.org)

Waianae Mall, 86-120 Farrington Hwy., 8-11:30 a.m., free. Donate blood to save lives. Appointment recommended. (848-4770, bbh.org)

Kanehili Hawaiian Homestead, Kinoiki St., 1-6 p.m., free. The second annual Classic Hot Road Car Show raises monies for youth sports equipment for the homestead. (nagunoy@gmail.com)

Leilehua 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)

Kualoa Ranch, 9 a.m.-3:30 p.m., free. Hawaii High School Rodeo Association Oahu District competes in bull riding, barrel racing, team roping and more. (oahuhighschoolrodeo.com)

Kapolei High School stadium, 3-8 p.m., free. Enjoy food, crafts and live entertainment. (hurricane.eatz@gmail.com)

Near boat ramp in Kailua Beach Park, 7 a.m.-noon, $25. Support Kalaheo High School Project Grad at this 5K fun run and walk. (runsignup.com/race/hi/kailua/kalaheohighschoolprojectgrad)

Kaneohe District Park, 8 a.m.-5 p.m., free to watch. PARENTS, Inc. hosts its annual kickball tournament to stand up for Hawaii’s children and strengthen families. Keiki activities, games and more will be held in the Keiki Zone. (hawaiiparents.org, info@hawaiiparents.org)

The Salvation Army Kroc Center Hawaii, 91-3257 Kualakai Pkwy., 8 a.m., check website for cost. Kroc Center Hawaii hosts its annual fun run, in support of its scholarships and programs. After the race, enjoy entertainment, refreshments, food trucks, bounce houses and more. Pre-registration required. (kroccenterhawaii.org)

Pearlridge Center, parking lot in front of Toys ‘R’ Us, 10 a.m.-4 p.m., free. More than 30 teams of keiki entrepreneurs sell lemonade for charity. (203-2366)

Washington Middle School cafeteria, 1633 S. King St., 9 a.m.-2 p.m., free. Food, crafters, entertainment, awareness activities and a huge rummage sale. (741-6397, rskai3@aol.com)

Aloha Stadium lower parking lot, 9 a.m.-noon, free. Teen drivers are invited to test their knowledge of road safety and see how well they respond to everyday distractions at this event hosted by the state DOE and Hawaii Independent Energy and DTRIC Insurance. (305-9773)

Salt Lake Elementary School, 1131 Ala Lilikoi St., 9 a.m.-1 p.m., free. Enjoy food trucks, games, rides, entertainment, a craft fair, Country Rummage Store, balloons and more. (saltlakeelementaryfunfair@gmail.com)

UH Urban Garden Center, 955 Kamehameha Hwy., 9 a.m.-noon, free. Learn more about rain barrels, plants and more, plus browse a mini plant sale. (453-6050)

Trinity Lutheran Church & School, 1611 California Ave., 9 a.m.-2 p.m., free. Trinity Lutheran School hosts its annual spring fling, with food, entertainment, games, crafts, a bake sale and more. (621-6033)

Koko Marina Shopping Center, 11 a.m.-3 p.m., free. Sidewalk sale featuring made in Hawaii clothing, jewelry and accessories, with giveaways and gourmet ice cream from Pinwheel Hawaii. (facebook.com/artsandflavorsHI, 232-9208)

Kapiolani Park Bandstand, 9:30 a.m.-5:30 p.m., free. Join Hawaii’s Thai community in celebrating Songkran, the Thai New Year, with food, entertainment, kick boxing, a beauty pageant and more. (jbpl@hawaii.edu)

The Green House, 224 Pakohana St., 10 a.m.-noon, $20/keiki-parent team, $10/person. Harvest a variety of plants and explore the differences in the fiber they produce. Pre-registration required. (524-8427, thegreenhousehawaii.com)

Bishop Museum, 9 a.m.-2 p.m., free. Learn how to get healthy and fit at the seventh annual YMCA Healthy Kids Day with food, prize giveaways and more than 30 exhibitors highlighting the importance of physical activity, healthy lifestyle choices and active play. (531-9622, ymcahonolulu.org)

Fort Street Mall, Arts District, Chinatown, 11 a.m.-4 p.m., free. Experience the heart of Honolulu’s music, art and cultural happenings, fashion fairs and marketplaces at multiple locations. Pick up a registration packet with pedometer on Fort Street Mall. (sandy@kidneyhi.org)

Anna O’Briens, 2440 S. Beretania St., 9 p.m., $10/at the door. David Brewer and Rebecca Lomnicky perform with Scottish bagpipes and fiddle. (irishpubshawaii.com/irish-music)

Neal Blaisdell Concert Hall, 777 Ward Ave., 8 p.m., $27. Hawaii Symphony Orchestra presents Wicked Divas, an encore from its musicthatPOPS series. (hawaiisymphonyorchestra.org, 94-MUSIC)

Kawaiahao Church, 957 Punchbowl St., 7 p.m., free. Oahu Civic Orchestra plays music from Faure, Yasui, Saint Saens and Chopin at its spring concert, led by soloist Kiyoshi Tamagawa and conductor Grant Okamura. (734-2925)

Morning Brew Cafe and Bistro, 600 Kailua Road #120, 5-7 p.m., free. Unplugged rock, blues and soul music. (262-7770)

Jazz Minds Art and Cafe, 1661 Kapiolani Blvd., 9 p.m., $7. (945-0800)

The Republik, 1349 Kapiolani Blvd., 8 p.m., $35-$40. New Orleans native Trombone Shorty brings jazz music to Hawaii. (jointherepublik.com, flavorus.com)

Next Door, 43 N. Hotel St., 9 p.m.-2 a.m., $5. Miss Vamp Hawaii presents the fourth annual Goth Prom with emcee Lana Saldania and DJ sets by DJ Shadowfaxxx, DJ Nocturna and DJ Du Nord. (djnocturna.com)

Hilltop Equestrian Center, 41-430 Waikupanaha St., April 11-12, 9 a.m., free. Watch riders from all over Oahu in the only nationally recognized dressage show in Hawaii. Covered shoes required. (alohastatedressagescoiety.com)

Hawaii Theatre, 7:30 p.m., $32. Fashion designer Anne Namba presents a couture show, with musical entertainment from jazz singer Paula West, all in a 1920s nightclub setting. All proceeds support Hawaii Theatre Center. (528-0506, hawaiitheatre.com)

Heeia State Park, 4-9 p.m., $50. Puakea Foundation hosts its third annual fundraiser for its Puakea Learning Center project, with heavy pupu, music, one drink and $500 in Bobby Bucks to gamble with. (puakea.org, 247-1428)

Ala Moana Beach Park’s McCoy Pavilion, 10 a.m.-6 p.m., $1. Featuring bagpipes, highland dance competitions, athletic competitions, Celtic foods, crafts, keiki activities and more. (721-0476)

The Royal Hawaiian’s Monarch Ballroom and Ocean Lawn, 5:30-10 p.m., $125. The 16th annual spring soiree features food from Hawaii’s top restaurants, drinks, live and silent auctions, music from Streetlight Cadence and door prizes. (mdasoiree.com, 593-4454)

Harbor View Center at Pier 38, 5:30-10 p.m., $150. Ka Mamalahoe Canoe Club hosts a Project Lu‘ukia fundraiser, with food, drinks and live entertainment with a fabulous Mardi Gras theme. (facbeook.com/luukia, kamamalahoecanoeclub.com)

Hawaii State Art Museum, 250 S. Hotel St., 11 a.m.-3 p.m., free. Sculpt a palm-sized version of your artistic vision, then bring it to the photo booth where it’ll look huge in front of a scaled model of the museum’s five-story historic building. (586-9958, hawaii.gov/sfca)

Leeward Community College Lab Theatre, 2:30-5:30 p.m., free. Hawaii Shakespeare Festival hosts open auditions for its 14th season, with performances running July 10-Aug. 23 at The ARTS at Marks Garage. (256-6657, hawaiishakes.org)

Battleship Missouri Memorial, Ford Island, 10-11 a.m., free. Seventy years after the USS Missouri was attacked by a kamikaze pilot, a special exhibit will show a more human side to the kamikaze pilots of Japan. (1-877-644-4896)

Kuhio Beach Hula mound near Duke Kahanamoku statue, 6:30-7:30 p.m., free. Shirley Racca and Halau Hula O Namakahulali perform. (843-8002)

Logos Bookstore, 760 Halekauwila St., 11 a.m.-1 p.m., free. Norma Ching, Karen O’Neil, Mark Teves and more will be available to meet, greet and talk story with their fans. (596-8890)

Windward Community College, 10 a.m.-4 p.m., free. Enjoy food, music and all kinds of art — ceramics, drawing, camera obscura, poetry, woodcarving and much more. (palikuarts.com)

Doris Duke Theatre, 7:30-10 p.m., $10. Screenings of “Happy Birthday, Tutu Ruth” and “Homealani.” (783-2786)

Waialua Public Library, 11 a.m., free. Waialua Writers’ Group writes and shares on the theme “a really scary time.” (637-8286)

Meet at 2678 Kilihau St., 9-11:30 a.m., free. Help clean the bike path with Project D.A.T.E. (629-7933, projectdate@ltwhawaii.org)

Work at Hawea Heiau Complex and Keawawa Wetland, call for meeting place, 8:30 a.m.-11:30 a.m., free. Bring work gloves and whatever tools you can. Wear closed-toe shoes, long pants, sunscreen and a hat. (864-8081, hawaiikaihui@aol.com)

Kakaako Waterfront Park near Point Panic, 9:30 a.m., free. Sustainable Coastlines Hawaii hosts a beach cleanup as part of Hawaii Ocean Expo 2015. (facebook.com/events/844753292273932)