All it takes is a slight tug and the long string of beads literally pull itself out of the container and onto the floor. Best of all, fifty feet of beads empty from the container in under five seconds. How does it work? Sir Isaac Newton reveals yet another science magic miracle with just one word... INERTIA. Newton's Beads are a fantastic and colorful introduction to physics. From inertia and potential energy to gravity and acceleration, These beads will open scientific doors in a quick, easy, and spectacular demonstration.