Material: square colored paper.

1. Prepare a square colored paper, fold it in half from top to bottom, and unfold it.

2. Fold the four corners at the midpoint, turn them over, and continue to fold the four corners at the midpoint into a small square.

3, turn it over, the four corners continue to fold to the middle, open the crease, and fold down into a cross. Fold the four sides to mark, and the three-dimensional shape will be folded.

4. Take another rectangular piece of paper and cut it in half according to the width of the square. Cut the thinner one into two notes, and the other one covers the cube, covering it and cutting off the extra parts.

5. First, wrap and glue the three-dimensional shape, then fold two strips and insert them on the three-dimensional shape, and you can fold a simple mini schoolbag.