GraviTrax The Game - CourseGraviTrax The Game Course Curve your track like never before with puzzle solving fun and progressively problematic challenges in GraviTrax The Game: Course! How does the ball get from start to finish when, for example, only 4 height stones, 3 curves and 2 rails are available to build the railway? 30 task cards show the start and finish point of the track to be built. If at the end the ball rolls from start to finish and all parts are installed, the