Scroll down and take a look at the different projects. The simpler ones are up top and they get more challenging as you get to the bottom of the page.
Basic materials for Op Art Projects:
pencil, paper, ruler, something to color with - markers, colored pencils
Here are some special effects to try.
Take your time and be patient with yourself when you're learning something new like this.
These styles take a little practice.
Don't worry about a sketchbook. Those directions came with the instructions.
Here are some paper sizes that make the project easier.
Cut paper to a square. 8 x 8" is a good size to start with.
This video says part 1, but it is complete.
We cannot find a part 2 on Youtbe.