1. Fold an A4 piece of paper in half, top to bottom.
2. Make a vertical crease, and unfold.
3. Fold down the top corners.
4. Fold the bottom of the paper up against both sides.
5. Fold the bottom corners in.
6. Make the triangle into a square.
7. Fold up the bottom flaps.
8. Make the triangle into a square again.
9. Pull out the triangles on the side of the square.
10. Fold up the sides of the boat.