On the day after Thanksgiving, a non-shopper like me has time on his hands. I stumbled upon a satisfying Big Box alternative: the F.A.T. Chain Reaction (F.A.T. = Friday After Thanksgiving).

For 21 years, the MIT Museum has sponsored a team-build chain reaction event, though I’d never heard of it until last week, when an invite to volunteer showed up in my inbox. As always, when I say ‘yes’ to something, I get more out of it…