Build your own working tornado!Following illustrated instructions, the kit begins as a thrilling construction and circuitry experience as kids twist together wires to build the unique, adjustable-speed fan motor system.Then, you don't just get to learn about tornadoes and hurricanes, you get to actually see them in action.Cut out paper shapes and foam particles, drop them into the tornado machine, and switch on the fan - Instantly they begin twirling and spinning around just like debris in a real tornado.Take the debris out and lay it on the ground. With the bottom removed from the tornado machine, switch on the motor and hover your tornado over the debris.It actually gets sucked up inside - Just like a real tornado!As kids read and explore, they discover all kinds of explanations for what's happening inside their machine.Learn about the difference between a tornado and a cyclone. Discover the different parts of the atmosphere and how the temperature and movements of the earth effect the weather.Learn about air pressure, how tornadoes form, how to classify tornadoes and hurricanes, and more.Vivid, thrilling, and powerfully enlightening, the Clementoni Tornado and Hurricanes set is a scientific adventure young explorers will be experimenting with for days and days on end!