The Circulatory System Anatomy Model is an anatomy activity set from 3B Scientific and manufactured in Germany. This anatomy set includes a cutaway view of the interior of the human heart. The circulation process is reinforced with a colorful three-overlay transparency of the heart. Trace vessels throughout the body while viewing an enlarged cutaway section of a vein and an artery. This activity set is best used for student education on the human circulatory system. The Circulatory System Anatomy Model is 24.0 x 17.7 in and weighs 2.07 lbs.