There’s no easy answer when it comes to making an edible car that rolls. But there are a few things you can do to make the process easier and more fun. One option is to use a rolling pin to help press the dough into the desired shape. Another is to use a food processor or blender to create a smooth, textured car. Finally, you can use a carving knife or pizza cutter to cut out the desired shapes. Whatever method you choose, be sure to follow the instructions carefully and enjoy your new rolling vehicle!