Kids like learning when they can play with a ball to learn! These colorful 24-inch inflatable educational balls are an excellent way for children to build skills. The balls feature various math problems, facts and illustrations to reinforce that learning can be fun! Directions for games and variations of play included. Astronomy (Grades 3-7) and Time (Grades 2-6). Fun to toss, easy to use, lots of learning! Information on how to place your order by fax or by telephone. Product Numbers (Astronomy) AM1414, (Time) AM1406