With this simple device and two soft-drink bottles, your students can discover vortex action and its effect on air and water. A small rotation of the bottles creates a centrifugal force, which keeps liquid away from the exact centre of the tube.

Tornado Kit Single - 1 piece $3.95


    ABN: 73 755 615 943


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    Phone: 0410 711 313


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    PO Box 3413 

    Nerang DC Qld 4211