Orange Ball (Grades 4-6): hour long class, three-fourths of the court & orange lower compression balls. Orange 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. *Younger players may play in this class if they have completed red ball classes and have coach approval.