When these two steel balls collide, the impact generates enough heat to burn a hole through a regular piece of paper. A simple yet spectacular experiment that demonstrates the transformation of mechanical energy into heat energy (and sound!).
Makes a spectacular demonstration.
Each ball is 2 inches (2.54 cm) in diameter and weighs approximately one pound (453 grams)!
WARNING: This product can expose you to chemicals including Lead, which are known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov.
