The Tornado Maker is a plastic tube that you connect between two PET (plastic soft drink) bottles. Pre-fill the top bottle with liquid and watch as the liquid passes through the tube and creates a tornado effect. Please note: As this item is an assortment we cannot guarantee a specific style, please let us choose on your behalf or state your preference in the comments section of your order and we will do our best. Price is for 1x Tornado Maker.