This is good clean scientific fun. The vortex valve is a designed to demonstrate how a tornado swirls. Use it to connect two large soft drink bottles. When one is half filled with water, flick your wrist and a tornado in a bottle is created. Bottle not included. The video below shows it in action – video credit to FoxPail.
Age Recommendation: 5 years +
Dimensions: 3.5cm x 3.5cm x 5cm
Country of Design: Australia
Country of Manufacture: China
Primary Material: Plastic
Assembly Required: No
Gift Wrap: Yes
Brand SKU: 5003
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