2. Then fold the colored paper in half from the middle.
3. Then fold the bottom edge upwards.
Then stick the two pages together from the side.
5. After bonding, fold the bottom two corners inward.
6. Then turn the corner inward.
7. Fold the edge upward, and then fold the upper and lower edges inward.
8. Then put glue on it.
9. Put these two pages together, fold the other side inward and cut out a semicircle with scissors.
10. Finally, cut out a round colored paper and stick it on the red envelope with glue, and write the symbol of money.