Red Ball (Grades 1-3): Hour long classes, half court & red lower compression balls. Typically for grades 1-3, if your child is in Kindergarten and can handle an hour of instruction and follow directions they are welcome to play in this class. Red Ball classes have all level of players: beginner, intermediate, and advanced players. When you register you will select your child’s playing ability based on the description that your child fits (playing ability descriptions are given in the registration form). Kids are then grouped together with other kids with similar playing ability.