Burningman offers a lot of really interesting stuff, and in combinations not easily found. It seems silly to bring "beach stuff." You'll probably be too busy doing other things to make it worthwhile.
There's a softball field going out there this year, and I"ve seen soccer. It just seems like there's too much else to do. Even too much else to do that there's time for Calvinball, which is a bit more in the spirit of the event.
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