28 inch model torso constructed of high-impact plastic. The exterior depicts superficial musular and skeletal features of a young boy. Torso opens to expose repiratory, circulatory, digestive, urinary and nervous systems. Internal organs are removable for closer study. Includes: 54-page Lesson Guide with extensive back-ground information, numerous activities, observation and data sheets. Model is also available with four anatomy models, each with an accompanying activity notebook. 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 3-12. Product Number: AM2000 (Torso Model-Billy), AM2611 (Torso Model w/4 Model Activity Sets), AM2650H (Ear Model Activity Set), AM2640 (Eye Model Activity Set), AM2630 (Skin Model Activity Set), AM2676 (Tooth Model Activity Set)