As the fastest, most agile runners tend to be the ones who can avoid the balloons the longest, this drill really seems to motivate the kids to do their best.
While most children in youth football leagues enjoy playing the game itself, they may lack the patience required for all of the drills and conditioning they need to make them into football players.
Good coaches take the age of players into account and find fun ways to motivate them so the drills seem like games that the kids will want to play.
While this is a drill for quarterbacks and receivers, most youth football leagues will train kids to play all positions, so it is a drill that can be practiced by the entire squad. Divide the squad into quarterbacks and receivers and pair them off, with each pair standing about 10 yards apart.