First you need to gather your materials.
Crayons-Grey and White
Fold your paper in half. Do not crease.
Draw a curved line on the top. Make sure it curves down on the edges of the paper, not the fold.
Cut on the line you just drew.
Now open up your paper.
Draw a line 2 inches from the bottom. (the bottom is the flat edge.)
Make four lines in this style. The fifth will be 1 1/2 inches from the previous line.
Now your paper should look like this.
Fold in half so the lines are on the outside. Draw a curved line on the paper. Press hard so there is an indent on the other side. Trace the indent.
Draw a line down the center skipping the places where 5 and 10 will go. Trace the lines in white crayon.
Add in the numbers.
For a rock take one of the scrap pieces and shade it gray and white.
Then ball it up. if needed secure with tape.