You wouldn't think that a four-wheeled car would go faster if one of its wheels didn't touch the ground. Or if its axles were bent. Or if it was designed to grind against a wall. But you'd be wrong, and here's the science to prove it.
Racing is really fun, especially if you can express your creativity through creating your own car. Here are the awesome pinewood derby templates that will inspire you and help you build a cool car easily.