Step 1: Buy cake mix and follow instructions on box.
Step 2: Separate cake mix into separate bowls. The amount of bowls you use will be the amount of colors you will dye your cake.
Step 3: Put food coloring into bowls.
Step 4: Pour each layer into its own pan and bake in oven individually (at 350 degrees).
Step 5: Once all the layers are fully cooled, plop a dollop of icing in the middle of each layer so they all stick together.
Step 6: Ice the top of the cake and voila, dig in!