Thinker Thursdays—Chess Game Day: Free play for ages 8 and older of all experience levels; no instruction provided. 10 a.m.-5 p.m. today, Kaimuki Public Library. Free. 733-8422

“Rise of the Wahine: Champions of the Title IX”: Celebrate Women’s History Month with a free screening of the film about Title IX, which forever changed the landscape of education and athletics for women and girls in America. Hosted by Chamber of Commerce of Hawaii. 4-5:30 p.m. Friday, Hawaii State Capitol Auditorium. Free. 545-4300, 808ne.ws/ riseofthewahine

Great Hawaii Rubber Duckie Race: United Cerebral Palsy Association of Hawaii hosts its 32nd annual fundraiser Saturday, McCully Shopping Center. Kicks off 9 a.m. with activities, entertainment, games and more. At precisely 1:34 p.m., nearly 20,000 rubber ducks will be toppled over from atop the Kalakaua Avenue bridge (near the Hawai‘i Convention Center) overlooking the Ala Wai Canal; the top 25 finishers win prizes. Free parking at Lunalilo Elementary School. $10 for one duck, $50 for six ducks, $100 for 12 ducks, $250 for 30 ducks and $500 for 60 ducks. To adopt a duck, visit adoptmyrubberduckie.org or purchase on race day.

The 19th annual Koko Head Egg Hunt Eggstravaganza: Features games and an egg hunt for ages 12 and under. 9 a.m. Saturday, Koko Head District Park; egg hunt begins 10 a.m. Free. 768-6715

Create a Xeric Butterfly Garden: Learn how to identify and utilize “unthirsty” plants to attract butterflies, as both form a symbiotic relationship that benefits a garden or landscape’s sustainability. Presented by Board of Water Supply and Friends of Halawa Xeriscape Garden. 10:30 a.m.-noon Saturday, Halawa Xeriscape Garden. $5. Register by 2 p.m. Friday. 748-5315

Keiki Carnival 2019: Games, juggling by Stevo the Clown, a giant slide, bouncer for toddlers, photos with a stilt walker and more. 11 a.m.- 1 p.m. Saturday, Kapolei Shopping Center, 590 Farrington Highway. Free. kapoleishopping.com

“Disney in Concert — Magic Music from the Movies”: Hawai‘i Symphony Orchestra performs live to iconic Disney feature-film video clips projected on a big screen. 7:30 p.m. Saturday and 4 p.m. Sunday, Blaisdell Concert Hall. $27-$79. 94-MUSIC, hisymphony.org

Hawaii Betsuin’s Taste of Hongwanji and Spring Bazaar: Keiki crafts, entertainment, cookbooks, plant and produce sale, food, a rummage and clothing sale, collectibles, temple tours and more. 8:30 a.m.-1 p.m. Sunday, Honpa Hongwanji Hawaii Betsuin Temple, 1727 Pali Highway. Free. 536-7044, 808ne.ws/ tasteofhongwanji

“Grossology: You’re Gross!”: This popular event returns with activities and explanations focusing on the importance of blood and mucus. 3:30 p.m. Wednesday, Waianae Public Library. Free. 697-7868