Bring the Power of a Tornado Right into your Home
This large device helps explain how tornados form, what weather conditions are necessary, and how they are influenced by outside forces. Learn about the importance of a strong updraft, about convergence and rotation, funnel speed and how it is related to funnel width, and many more exciting tornado facts! It includes a guide with seven experiments. Dry ice is not necessary to complete this experiment. 110 VAC. 24"H x 14" diameter.