Most kids start holding the club with a baseball grip, which does not allow for control at the top of the backswing; try this hot dog in a bun routine for getting a good grip
Making mini swings with your elbows glued to your body will give you the correct sensation of the large torso muscles swinging the club, not the arms
Swing two clubs parallel to each other back and forth trying to keep the clubs from clanging together, this works your timing as well as coordinates your body with your arms