oh and the dog does NOT need I high ball drive, the ball is the least importent thing in flyball ripley is a rare 4 second height dog, he has NO ball drive it took us moths to get him to tough the ball for heaven sakes! one of the most commen misconceptions about flyball is that they need a high ball drive, its simpley not true in the least, it helps if the dog does not have a high ball drive!, misty does not like balls either, she can still play great