Take a square pink cardboard.
Cut into two rectangles, one big and one small.
Fold the left and right sides of the big rectangle inward, and then fold it in half.
Cut out the appearance of lanterns with scissors.
Stick double-sided adhesive on both sides of the small rectangle.
Stick to the inward folded part of the big rectangle
Take a piece of blue colored paper and cut it into two long strips for decoration, so that the handmade lantern is finished.