(English at the bottom.) 在畫面上畫一條綫，車子就會跟著綫走。目的是讓車到達藍色圓圈。（記得綫要和車連在一起，而且綫不要畫的太複雜。） Draw a line at the screen, the car will follow the line. You need to let the car touch the blue circle to win. (Remember the line have to connect to the car, and don't draw the line too complex.)
Base idea: https://online.obbycode.com/ (You may not open it because the manger of this link close the link.)
