All it takes is a little jumpstart from you and this long string of beads literally pulls itself out of a container. Watch closely because 20 feet (6 m) of beads empties from the container in a flash! World famous physicist and all around motion and gravity expert, Sir Isaac Newton, reveals yet another science wonder in just one word: inertia! These beads are a fantastic and colorful introduction to physics. They are a quick, easy, and spectacular science demonstration.