All you need for this Instructable is a sheet of paper. Cardstock is the best paper because of its sturdiness but copy paper will do just fine.
Step 2: Step 1: Fold In Half
To start, fold the piece of paper in half lengthwise and crease. Make sure the crease is very straight or the plane might not fly straight.
Step 3: Step 2: Fold Down Corners
As in the picture,fold the top two corners in to the first crease.
Step 4: Step 3: Fold Down Point
Fold down the point.
Step 5: Step 4: Fold In Corners
Fold in the corners to the middle crease just above the point.
Step 6: Step 5: Fold Up Point
Fold up the point. This will ensure the corners will not come undone.
Step 7: Step 6: Fold In Half The Other Way
Fold the plane in half lengthwise so that the point is pointing outward.
Step 8: Step 7: Fold The Wings Down
This will create wings and finish the plane.
Step 9: Done!
Your paper airplane is now finished! Throw it across the room, off a tall building, off a short building, into a box, or wherever you decide to throw it! Enjoy your plane and vote for me in the Papercraft contest!