National Geographic - Dueling Tornadoes


With National Geographic's Dueling Tornadoes kit discover how air pressure, the power of a vortex, and the collision of masses of air combine to create powerful storms as you create your own tornado in a bottle!

Amazing gift: This is a great gift for girls and boys who have a love of science and hands-on exploration
Approximate Packaging Dimensions: 14 x 22 x 3 cm
Contents: two bottle connectors and a mini learning guide!
Ages 6+

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