You might want to check the RoboGames website for links to upcoming events... They just had an International competition (like the Olympics for robots) back in April in San Francisco. Unfortunately you missed that, but they may have info to other events. ;-)
Actually, i did ask him, he said he would like to an actual competion first. Also, i think I have an idea for a teacher, he thinks im amazing, I got 109% in his class :P
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Otherwise, ask at school - there's bound to be at least one shop or science teacher who would be willing to help.