Saturday Happenings

Chocolate Factories

-- Somerville's Taza Chocolate is one of a handful of U.S. chocolate makers who make chocolate by hand. Taza follows traditional Mexican procedures, grinding chocolate beans in stone mills, to make its extremely delicious array of chocolate varieties. Today, Taza offers a rare tour of its chocolate factory. Bostonist wants an Oompah Loompah. Taza Chocolate, 561 Windsor St., 10 a.m. to 6 p.m. Free.

Hipsters and Their Toys and Worcester

-- Bostonist gets a lot of complaints when we don't run event announcements for Worcester, which is frequently. Here's one. POP Euphoria! is an orgy of vinyl hipster toys, comic books, and illustration where you are certain to find something for the otaku on your holiday shopping list. Featuring Kaiju Big Battel and benefiting Toys for Tots. The Aurora Gallery, 660 Main St., Worcester, 6p.m. (through January 17).

Disasters

-- Union Carbide caused the world's deadliest industrial accident in Bhopal, India 24 years ago, and the results are still being felt in the impoverished region. According to some figures, 25,000 people drink water polluted by the accident every day. Boston4Bhopal Coalition and MIT Amnesty International host a Benefit for Bhopal, featuring Bollywood dancing, tango, and Bharatanatyam. The recent tragedy in Mumbai will be mourned. Wong Auditorium, MIT Sloan, 70 Memorial Dr., Cambridge, 7 p.m. $15/$20 donation.

Dancing Hipsters

-- Mary and Heidi, who blog together as Indie Girls Are Easy, have recently gotten into the dance party booking business. Tonight, they present Holiday, a throwdown featuring beats from DJ Frank White and Flavorheard. The Good Life, 28 Kingston St., 9 p.m. Free.