Designing the route of the roller coaster is undoubtedly a very important task. How to let passengers experience the thrills of the roller coaster safely is a question you must think about. The roller coaster must pass through the green circle and avoid the red circle. You need to draw a line The correct and interesting route, are you ready to meet the challenge of this designer? Now we provide a chance for you to design the route for the tourists by drawing in Make A Roller Coaster!