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Twister Tube Connector Experiment, Pack of 8 Teachers Resources>>Books Roll & Plan>>Delaney Books & Cards and flats in perfectly sizedCreate 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 needed to create a tornado vortex. A great introduction to any weather unit. Sold as a pack of 8 Tubes. Recommended age 5 14 years
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