In our local BEST competition they let anybody in the pits.  At the state level 
they restrict it to about 5 or 6 at a time.  We would let various team members 
rotate in and out.  When the nationals were in Dallas I went to watch.  The 
pits were relatively open but there weren't that many teams or people there so 
it wasn't crowded.
I went to the nationals for VEX and that was a madhouse.  There were teams from 
around the world and they filled the huge Dallas convention center.
 
> The hardest thing about robotics competitions are that their can only be a
> few kids in the pit area.
 
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