Plan your week list of events for Dec. 20

1 Talk birds, drink a brew

The Black Hills Audubon Society invites birders to its Olympia Birds & Brew event; local birders will share some of their favorite birding locations and what they have seen recently; 4:30-6:30 p.m. Monday; Fish Tale Brewpub, 515 Jefferson St. SE, Olympia; blackhills-audubon.org.

2 Winter officially arrives

The December solstice will mark the official start of winter; the solstice occurs when the south pole will be tilted toward the sun, and the sun will have reached its southernmost position in the sky and will be directly over the Tropic of Capricorn; 8:48 p.m. Monday.

3 Intro to 3-D printing

Learn about the 3-D printing process and watch a demonstration of the library’s new 3-D printers; 2-4 p.m. Tuesday; Gig Harbor Library, 4424 Point Fosdick Dr. NW, Gig Harbor; free; 253-548-3305 or piercecountylibrary.org.

4 Watch the movie ‘Elf’

Watch this Will Ferrell holiday comedy, one of many holiday films being shown at South Sound libraries; for middle school students and older; 1 p.m. Wednesday; Lacey Timberland Regional Library, free; 500 College St., Lacey; trl.org.

5 Join the Jingle Bell Run

Bring the kids, bring the relatives, but come and run off some of that holiday energy; 3-mile run/walk; costume contest; start times at 10 a.m. and noon Thursday; Wright Park, 316 S. G St., Tacoma; registration is $10 through Sunday (Dec. 20), $15 Monday-Tuesday and $20 day of the race; metroparkstacoma.org.

6 A Victorian holiday

Check out the Seymour Conservatory as it decorated for a Victorian holiday; the floral exhibition includes poinsettias, amaryllis, paperwhite narcissus and cymbidium orchids; daily through Jan. 10; suggested donation $3; Seymour Botanical Conservatory, 316 S. G. St., Tacoma; 253-591-5330.