Human Body System Model Activity Sets illustrate the functions of the body's major systems. Each Model Activity Set includes a 24 inch by 18 inch markable model made of durable vinyl. The included activity guide contains background information and activities. It also includes a glossary, a key to the model, color transparancies and a blackline master. Shipped directly from the manufacturer. Not available with rush shipping. Delivery time estimated at 10-14 days or less. Gift wrap not available. Information on how to place your order by fax or by telephone. Grades 3-5. Product Number: AM2613 (Master Set of Body Systems, set of 6), AM2671 (Circulatory System Model Activity Set), AM2672 (Respiratory System Model Activity Set), AM2673 (Digestive System Model Activity Set), AM2674 (Nervous System Model Activity Set), AM2675 (Urinary System Model Activity Set), AM2677 (Endocrine System Model Activity Set)