Once the first layer is down, you can add in other colors, or pour the main part of the soap.
Be sure to let each color cool completely before adding the next or else they will melt together.
After adding yellow eyes, I used a purple mica to color the soap base for the bat and cat. I could have also used a (Buy Direct).
Note the small bubble in the ghost's eye (in the picture.) You'll get more bubbles the cooler your soap gets. A quick spray with some rubbing alcohol usually removes the bubbles though.

