Coolchick, you're application is very inadequate. I will need to know more. First off, what do you want to do? Exterior, interior or both? What is your previous experiences with minecraft building and preferably references to previous builds.
You do realize, that you just stated that you will not accept people above the age of 12, right?.. The proper term of the mathematical operator is <12, which would be "less than 12".
