To draw wheels in Top Scribble Rider!, simply use your drawing tools provided at the beginning of each level to sketch out the wheel design. Make sure it fits the requirements of the upcoming challenges.

Currently, the customization in Top Scribble Rider! is limited to the wheels. You can design your wheels to better suit the terrain and obstacles in each level, but other parts of the vehicle remain unchanged.

If your wheel design doesn't meet the challenge requirements, you will need to try again. You can adjust your design until it passes the inspection before proceeding to the next stage.

Yes, the game provides various drawing tools and brushes that you can use to create your wheels. Experiment with different tools to find the best design for each level's obstacles.

The exact number of levels in Top Scribble Rider! may vary, but the game features numerous levels with progressively challenging obstacles. Keep racing to unlock more stages!

There isn't an explicit tutorial, but the game starts with basic challenges to help you get familiar with the drawing mechanics. As you progress, you'll learn more about designing effective wheels.

Unfortunately, saving individual wheel designs for later use is not supported in Top Scribble Rider!. However, you can always refer back to previous levels for inspiration when facing similar challenges.

While the game doesn't provide direct hints, observing how your wheels interact with the environment can give you valuable insights. Try different shapes and sizes to find what works best.