Learning Resources Pumping Heart Model, Science Model, Ages 8+

Learning Resources Pumping Heart Model, Science Model, Ages 8+ Open box item. Never used and is still in original packaging with all the manuals, but the seal is broken. Easy-to-use, multi-sensory model Explore how the heart and lungs work together for oxygen exchange Uses a simple hand pump to demonstrate basic heart and pulmonary blood flow Features clearly labeled heart chambers, main artery, veins and lungs Thanks for looking ST