Abstract: A ground effect light system for roller blade, roller skate, or the like including a power source in the from of a battery pack mounted onto the roller blade or skate boot platform within a removal cartridge. A plurality of lights are mounted in a cartridge insertable within an existing wheel well upon removal of a skate wheel. Lights are emitted from a bulb or preferably LED's contained within a cartridge suspended within the wheel well of the skate platform frame illuminating the skate surface thereunder showing a design, one or more lines, rectangle, or other shapes from inbetween the wheels with light beams of selected colored lights. Upon activation, the lights shine upon the ground below the skater to indicate, highlight, and accent the presence of the roller blade skater.