Step one:
First draw two vertical lines.
Step 2:
Then draw another layer to form two long strips.
Step 3:
Draw a few horizontal lines in the middle to form an escalator.
Step 4:
First draw two horizontal lines on the left, one long and one short.
Step 5:
Use small fold lines in the middle to connect them to form stairs.
Step 6:
After drawing a diagonal line on the right side, draw a horizontal line up and down.
Step 7:
Then connect them with a diagonal line to form a slide.
Step 8:
Finally, paint it with a nice color and the slide is finished.