More than 300 Learning Charts to organize your classroom and introduce expand and reinforce a variety of topics. Stimulate development and teach essential skills. Prepare kids for tests and enhance learning all year long. The back of every learning chart features extra value including reproducibles fun ideas and interesting facts. Size: 17 x 22 classroom.Sturdy and durable. Ideal for teaching: 3rd Grade to 5th Grade.Ages 8 to 11.