Goal: Fold a simple paper airplane.
You will need: one sheet of paper.
Step 1. Fold the paper in half the long way, then open it.
Step 2. Fold the two top corners in to touch the center line.
Step 3. Fold the new slanted edges in to the center line again.
Step 4. Fold the whole plane in half along the center line.
Step 5. Fold each side down to make the wings.
Step 6. Hold it under the wings and throw it gently forward.
Tip: If it dives, bend the back edges of the wings up a tiny bit.