Spare parts : four Mexican American teenagers, one ugly robot, and the battle for the American dream

Four Mexican American boys, some of whom are in the U.S. illegally, compete in the Mate Center competition to develop robots. Is there any chance these disadvantaged guys have a chance to win anything?  What will happen to some of them if they do win and get a lot of notoriety?  With nothing to lose and something to gain, the young men give it their all.