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. You will learn how to use physics concepts like inertia and potential energy to empty this 20 feet (6m) strand of Gravity Beads onto the floor in seconds, while the container is still in an upright position the whole time. Recommended for ages 6 and up.