So you would like to turn heads when riding your skateboard? You may want to build your own flamethrower skateboard. As you perform tricks on it, a flame tail behind you grabs people’s attention. You can activate it with the push of a button.
As mikeasaurus explains, you are going to need a skateboard, 12V fuel pump, rechargeable power supply, 10oz fuel canister, a push-button with microcontroller switch, and a few other parts to get started. More info is available here.