Please read description carefully.
Do not base your order on the picture presented.
Two-piece model opens in half to show inner chambers and valves of the heart as well as aortic arch, superior and inferior vena cava, pulmonary, and cardiac veins. 3-3/4" x 4" x 4-1/4".
_p_Card size: 6-1/2" x 5-1/4". Grade 4 to adult._/p_