Toysmith Science Cyclone Tube Novelty TORNADO TUBE - What do you Get when you Combine your own Soda Bottles and One Tornado Tube?.... You get a TORNADO With Ample Vortex Action Thanks to the Makers of Tornado Tube you can now Create Exciting Action in a Bottle All you have to do is provide two empty soda bottles and place the TORNADO TUBE accordingly. 1.