THE HEKI Flockstar is distinguishable from other static grass systems because of its user-friendly quality and constant powerful output! Static grass fibers can be electrostatically charged to land vertically anywhere on your scenery! The NEW HEKI Flockstar Professional Static Grass System includes: 1 22-volt Power Converter (which requires a common train transformer with standard 16 to 18 AC volts), 1 Grass Hopper, one package short follicle static grass and one package long follicle static grass.