TODAY, 2:00pm: Learn to solder! Part of Teen Tech Month at Oakland Public Library. Main branch, 14th St & Madison. Anyone can learn. Make a cool kit today. All teens welcome! Free.
http://72.27.230.96/events/main-library/solder-cool-stuff

And, next Saturday: Learn to Solder at the West Oakland Branch -- also free!
http://www.oaklandlibrary.org/events/west-oakland-branch/solder-cool-stuff

Lots of other cool stuff happening as part of Teen Tech Month at the Oakland Public Libraries:

http://www.oaklandlibrary.org/teens/events-programs/teen-maker-month

Also, as Marc already pointed out, you can check this out, tomorrow (Sunday):

http://www.wikiseat.org/check-out-wikiseat-at-the-oakland-public-library/

Best,

Mitch.