Heart Beat Kit Product# EDU8400   $48.95  Free Shipping This kit encourages exercise by understanding how the heart works, and how exercise can create a strong and healthy body. With the hand-held adjustable simulator, you can actually follow the circulation of the blood through the heart and body and also adjust the heart beat. The kit also includes a stethoscope, jump rope, pedometer, stopwatch, and a colored manual with explanations and activities.