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Vortex valve

Vortex valve
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Vortex valve: Make a tornado in a bottle
incl. GST
Now you can make your own tornado's in a bottle!

Tornado twister

Designed to connect 2 soft drink bottles together so you can demonstrate how a tornado swirls. Also demonstrates that air takes up volume.

Teachers: Try putting liquids of different viscosity in the bottles and have the students create a fair test experiment.
For children aged 3 and up.

*Subject to item availability. Please leave your contact phone number where possible* 

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International orders please contact us prior to ordering 

For your security and peace of mind all postage is registered through Australia Post and is a flat rate of $12 inc. GST throughout Australia.

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1300 856 828

5 St James Place,
Seven Hills NSW Australia
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