The Zero Launcher launches 2 to 6 inch diameter non-toxic fog rings that sail up to fourteen feet. Easy to use, It is a great stress buster and with practice youŽll be able to create bigger and better rings. The Zero Launcher is available in translucent blue, red, purple and silver. It comes with three ounces of Super Zero Fluid (cherry scent), enough for more than 25,000 fog rings.