Build Competition!

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I have some quick questions which I want to clear up:

1) Practicality - I was just wondering if the builds we be looked at on more than aesthetics as I have plans or builds but they may have some pratical use and movement and was wondering if this would count.
2) Rounds - I was wondering if it was a round based system like you eliminate some people each round or if you just remove people and then we use the same builds. So like the bets builds stay and are judged or if each time some people are removed a new round starts and new builds must be made.
3) Time - This links to the last one. If it is a round based system how long will we get for each round?

I am not connected to the contest however I believe that it is more stages of elimination than rounds of different builds. They have stages of elimination, not so much rounds, so I think they judge only one build from each Person/Team and they eliminate teams each stage. You only build one build at the beginning and wait for the elimination rounds or the end.