1. First, use our thumb, take the yellow dye, be careful not to take too much, press it in the middle of the white paper, and let the thumb press it left and right to make a circular fingerprint pattern appear on the screen.

2. Dip your little finger in blue paint and press an ellipse slightly away from the yellow full moon.

3. The same step is pressed repeatedly in different directions, showing the shape of a cloud.

4. Draw the shape of the cloud with black pen and ink.