The present invention, bikes and similar workers simply rotating paddle boarding in a state run and At the same time the line baekhoe line is displayed according to the display operation can be performed easily and quickly to the bottom surface, depending on the fixing of the steering angle is possible to display an exact straight line or a circular line, regardless of the skill of the operator's game in sports, or is to be able to accurately meet the necessary standard for providing a boundary line display device driving expression. Relate to. Driving expression line display apparatus according to the present invention, there is provided an upper and lower part of the saddle and the rear panel are provided with the rear wheels being provided with a shaft that is rotationally driven by the front lower part of the paddle is rotatable about a front wheel shaft having right and left spokes is coupled to right and left front top, the said rotary drive unit with a steering wheel spoke sikimyeo branch axis is formed a handle rotatably coupled to the left and right on both sides, is provided on the rear wheel axis, respectively, both sides of the traveling body to be rotationally driven by the paddle and a rear wheel, the front wheel shaft and the front wheel being provided at both sides of the driving unit, installed at the front lower portion of the traveling body and the outlet is formed in its lower surface and the line on the bottom side to discharge the baekhoe baekhoe on during running of the running body comprises forming a baekhoe through. ; 展开▼
