Create a minimalist line cartoon style image, coloring page for toddler and very easy art of Robots racing in a futuristic competition. using clean, unbroken black lines on a white background. The design should feature a single continuous line that forms the subject no shading, no detail. Emphasize the simplicity and elegance of the form, with a modern and graphic quality that is typical for icons and digital illustrations. The subject should be centered in the image.