A light module is removably coupleable to a light fixture and includes an LED lighting element mounted on a mounting base that is operatively coupled to a housing. In another configuration of the present invention, plates of wear-resistant material are secured to the leading edges of the extruder screw threads to further prolong the life of the extruder screw. Optionally, player input devices may be used to enhance player participation by enabling the player to select a movable display object or a specific tubular display container before the movable display object is propelled into the tubular display container or a plurality of tubular display containers.