Add Wish List Quick view Add to Cart The item has been added Tornado Tube® Twister Tube Connector Experiment, Pack of 8 Create a tornado in a bottle! This exciting experiment is a hands-on demonstration of "vortex action". Use this experiment to study kinetic and potential energy as well as the atmospheric conditions... MSRP: $19.92 Was: Now: $17.98 Add to Cart The item has been added
