December 20

Castle Medical Center, 6-8:30 p.m., $15. Learn and practice how to be an invaluable labor coach, including what you as a coach can do to prepare for labor. Pre-registration required. (263-5400, castlemed.org)

The Pacific Club, 11:30 a.m.-1 p.m., $25-$40. HICTA hosts Attila Seress for a creative review and demonstration of the newest in tech toys and gadgets. (hicta.org)

Goodwill Hawaii, Ohana Career and Learning Center, 2140 Lauwiliwili St., 6-8 p.m., free. Today’s topic is “Applying Refundable Credits and Computing Payment/Refund.” Pre-registration required. (jmartin@higoodwill.org, 836-0313 ext. 1015)

HiFi COOP at Ward Warehouse, Dec. 20 and 27, 7:30-9:30 p.m., $10/class, age 18 and up. Learn how to work with anybody to create a world in a fun and immersive class. (thinkfastimprov.com)

Hoomaluhia Botanical Garden, 10:30-11:30 a.m., free. Listen to stories, make crafts and go on nature hikes. Walking shoes, rain gear and insect repellent advised. This month’s theme is “Music/Spices from Plants.” Pre-registration required. (233-7323)

Waianae Public Library, 9:30 a.m., free. Toddlers age 6-36 months can enjoy a special storytime. Today’s theme is “Snow.” (697-7868)

Kahala Mall, noon-12:45 p.m., free. (kahalamallcenter.com)

Kahala Mall, 4-4:45 p.m., free. (kahalamallcenter.com)

909 Kapiolani Blvd., 7:30 p.m., $15. The Rich Crandall Trio, including Rich Crandall, Bruce Hamada and Stacey Tangonan, performs in this special, once-a-year program. (596-2121, 941-3759)

Blue Note Hawaii, 6:30 and 9 p.m., $35-$15. (bluenotehawaii.com)

Kahala Mall, 6-6:45 p.m., free. (kahalamallcenter.com)

Ala Moana Centerstage, 3 p.m., free. (alamoanacenter.com)

Ala Moana Centerstage, 7 p.m., free. (alamoanacenter.com)