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  • Vortex Valve

Vortex Valve

SKU: 9415849416065
A$2.27
A$2.27
Unavailable
per item
The vortex valve is a designed to demonstrate the how a tornado swirls. Connects two large soft drink bottles. When one is half filled with water, with a flick of the wrist a tornado in a bottle is created. 

Scientific fun. 
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