Our Tornado TubeTM assembly allows you to demonstrate the wild vortex phenomenon of a natural tornado. -- All you need are two 1-or 2-litre plastic soda bottles and ordinary tap water. Swirl water from the top bottle to the bottom one using tornado vortex action. -- Instructions and explanation of scientific principles included.
This product contains small parts and is a choking hazard so not suitable for children under 3 years old.