Take an exciting journey inside the vortex of a liquid whirlpool with the Discovery Kids Extreme Weather Tornado Lab! Look directly into the eye of the storm as it spins floating debris throughout the chamber. Use the speed dial to adjust the power-- from a level 1 to a full blown level 5 storm! Turn on the storm sound effects for even more fun. The Discovery Kids Extreme Weather Tornado Lab allows children to study extreme weather systems hands-on by looking inside the vortex of a liquid whirlpool. You can adjust the twister from a level 1 to a full blown level 5 storm in seconds and watch the plastic pellets twist and spin like real debris caught in a tornado.