one group from 8-12 yrs old, and most of them cant hit anything. some just tries to blast every ball out the fence. and another group 12-15ish that are not very good either. maybe 2-3 can actually make solid contact and get the ball over while the others are just all over the place, a lot of swing and misses, and frame shots and stuff. so games are out of the picture, what are some drills they can do that will keep em entertained with hitting balls do you think? i realize there arent 15 ways to feed balls but any help would be appreaciated.