This is a demonstration of how to make a harrier paper airplane. First fold the paper in half lengthwise, making sure the corners line up. Unfold it and fold the corner toward the center line. Fold the top triangle down almost to the bottom of the paper. Fold the top corner in to the center line again. Fold in the first point. Fold the plane in half lengthwise. He demonstrates how to fold the wings in the right place so that the plane looks like a harrier. The plane can be customized and decorated, and you can alter the flaps at the back of the wings. These instructions show how to make a classic paper airplane.