The document provides instructions for making a gift box out of an A4 sheet of paper using only a scissor. The instructions are as follows: (1) Cut the A4 sheet into two pieces along the long side; (2) Cut 1cm off one piece to form the bottom of the box; (3) Fold both pieces into 16 equal rectangles and fold diagonals to form overlapping flaps; (4) Fold the bottom piece into a pentagon to form the box base; (5) Fold the remaining piece similarly to form the lid of the box.