Step one:
First draw a circle and connect it with two vertical lines.
Step 2:
Then draw another half circle below, slightly larger.
Step 3:
Draw two oval-shaped eyes inside, leaving round highlights.
Step 4:
Draw the curved mouth and square front teeth.
Step 5:
The land below is first drawn with small polylines.
Step 6:
Use some small polylines to draw the feeling of clods of soil.
Step 7:
Draw some small textures on the skin of the potato mine, and some short lines on the lights above.
Step 8:
Finally, paint it with a nice color, and the potato mine is complete.