Full size two-piece normal model opens in half to show inner chambers and valves, as well as the aortic arch, superior and inferior vena cava, pulmonary and cardiac veins. Model size: 3-3/4"x 4"x 4-1/4". Card size: 6-1/2"x 5-1/4". Base size: 6-1/2"x 5"x 1".
;)
