Want to create your very own tornado? This is science at its most exhilarating best, allowing a great visual demonstration of a tornado in a bottle.
The Whirlpool Bottle valve enables you to join two soft drink bottles together (not included) which allows you to create a swirling, twisting tornado. Use it to study the properties of air as well as the atmospheric conditions needed to create a tornado vortex. This brightly colored valve is great for any unit on weather or natural disasters.
This product comes with instructions containing 4 different experiments to make sure the best possible tornados and whirlpools can be created.