Make your own mini vortex anytime, anywhere! This classic hands-on science toy never gets old. Just give it a twist and watch a swirling funnel cloud form right in the chamber. It is perfect for future storm chasers and curious minds. Educational and fun, each Pet Tornado even has the Enhanced Fujita Scale printed on the back for extra learning. Spin it to create a mini tornado in your hand and explore weather, motion, and vortex formation in a totally hands-on way.