Learn the science behind tornadoes and twisters with the Sick Science Terror Twister Kit from Be Amazing Toys. Designed for ages 6 years and older, this kit teaches children how items can move in a tornado simple by creating your own using plastic soda bottles. Grab a couple of used 1 or 2 liter bottles and fill one of the bottles about half way full, add your twister items (included), and watch as things start spinning! A fun S.T.E.M. learning toy.