A portable, expandable golf training device that can be placed on the ground to provide alignment. The present invention can supply a plurality of light beams produced by lasers or other light sources or a plurality of extendable tapes or tubes or rods to provide alignment both in the direction of play and perpendicular to it. The device can be used by placing it on the ground in front of the golfer (between the golfer's feet and the ball. Two lines can project outward perpendicular to the direction of play, and two or four lines can project into and away from the direction of play. These lines provide alignment for the golfer. The tapes can be a flat, elongated flexible tape similar to a measuring tape. The rods or tubes can be extendable and/or telescoping.