Step 1

Prepare the cake according to the directions.

Step 2

Meanwhile, use 1.5 ounces (half) of the red jello in 1/2 cup boiling water, stirring to combine and the other 1/2 cup boiling water with 1.5 ounces of the blue jello.

Step 3

Once you remove the cake from the oven poke the cake all over with the end of a wooden spoon and pour red in 1/2 of the holes and blue in the other half. Try to not mix colors.

Step 4

Place in the fridge for 30 minutes or up to overnight.

Step 5

Top with cool whip and sprinkles and serve!