If you’re thinking of making a demo derby car, there are a few things you’ll need to get started. First, you’ll need some materials. You can find all the parts you need at most hobby stores or online retailers. The first thing you’ll need is a chassis. A chassis is the foundation of your car and it needs to be strong enough to support the weight of the car and the drivers. You can find a chassis that’s perfect for your project at most hobby stores or online retailers. Next, you’ll need some parts for the body of your car. The body is where all the action happens in a demo derby car! You can find bodies that are perfect for your project at most hobby stores or online retailers. Finally, you’ll need some parts for the wheels and tires. The wheels and tires are essential to making your demo derby car move! You can find wheels and tires that are perfect for your project at most hobby stores or online retailers. ..