This video should explain everything step by step, this video was originally uploaded to youtube. The materials you will need are:
For the fan - 12v/9v High Torque Motor, Slide switch, 9v battery clip, 9v battery, wires
For the car - Wheels, cardboard, straws
For the propeller - Water bottle caps, gift card
This is a very simple and easy project that is fun to build and to use. Please check out my youtube channel for more!