First you are going to need a microwave safe bowl.
Place all 5 Peeps of the same color in the bowl with the oil.
Now take the bowl and put your peeps in the Microwave for 30 seconds.
Carefully remove the bowl from the microwave and stir on one tablespoon of cornstarch at a time. - You do NOT want to add in to much or you are going to end up with crazy stiff slime. So as you are adding it in little by little watch it to make sure you are not adding in to much and making it to think.
How to Make Edible Unicorn Slime
Repeat the above directions for EACH color of Marshmallow Peeps Slime you are making.
Once you have all of your colors done, it is time to turn it into unicorn poop edible slime!
To make your edible peeps slime into unicorn slime you are going to stretch each color of peeps slime and lay them next to eat other.
Once all the colors are layed together you are going to squeeze them to turn them into unicorn poop.