Take the A train.
San Francisco Trolley Dances
What: Local dance companies go off the rails in this annual dance celebration inside Muni stations and on the T line.
Why: Admission sets you back no more than the $2 Muni fare.
When: Sat. & Sun., 11 a.m.-2:45 p.m. Tours leave every 45 minutes.
Where: Intersection for the Arts/5M Project, 925 Mission St., at 5th St. (415-626-2787).
What: The man behind Sweden’s critically acclaimed restaurant Fäviken Magasinet promotes his new cookbook, Fäviken, at Omnivore.
Why: Can’t jet-set to northern Sweden for a taste of Nilsson’s daring cuisine? His first cookbook offers an insider’s look plus take-home tips.
When: Tonight, 6-7 p.m.
Where: Omnivore Books on Food, 3885a Cesar Chavez St., at Church St. (415-282-4712).
What: The pop-up wine bar closes out the year with a special treat — Barbara Gratta’s award-winning cabernet blend, made in her Bayview garage.
Why: Arrive early to snag a few of El Rio’s free Friday oysters or grab an Italian flatbread sandwich from La Piada Randagia.
When: Fri., 5:30-8:30 p.m.
Where: El Rio, 3158 Mission St., at Precita Ave. (415-282-3325).
This Old Bag: the Power of the Purse
What: It’s handbag heaven — bid on more than 250 purses (some autographed) donated by top designers, athletes, and A-list actors.
Why: All proceeds benefit the Breast Cancer Emergency Fund, which keeps low-income individuals battling cancer afloat when they’re too sick to work.
When: Fri., 6:30-9:30 p.m.
Where: The St. Regis San Francisco, 125 3rd St., b/t Mission & Howard Sts. (415-284-4000). Tickets ($125) at givedirect.org.
Photo: Courtesy of Epiphany Productions