It’s an experiment time! We have connected two bottles with a tube (we got it from here http://geni.us/tornado) but you can just connect them with a tape, just make sure you put a metal washer between bottles to make the hole smaller. Spinning the top bottle in a circular motion creates a water vortex that looks like a tornado. They say that you can colour water, add dish soap, glitter or lamp oil to make this experiment more impressive, but I find that using clear water works the best #TheDadLa