-- This could very well be the most exciting extracurricular activity in the world, ever. Next to building a fort out of couch cushions and blankets, that is. (Why, yes, we are in fact five-years-old. Thank you.)

Her's the deal: Simply show up, receive your free cardboard tube, and start whacking away at your fellow Bay Area residents with impunity. So simple. Really, this needs to happen at least once a week.

When: Sunday, 10/28
Where: Justin Herman Plaza, 1 Market Street (at Embarcadero Plaza)
Time: 4 p.m. - 8 p.m. (rain or shine)
Site: CTFL