Step 4: The Eye
I made the eye by tracing the outside and inside diameters of a washer onto white plastic. I cut around the outside of the washer to make the general circle, then filled in the inside diameter with marker to make the pupil. To secure it, I bent a small nail into an “L” shape and pushed it through both the eye and the body of the brain slug. I finished up by coloring in the nail head so it blended in with the pupil.