Prepare the ganache by mixing together the white chocolate, heavy whipping cream, and corn syrup. Heat in the microwave on high for 30 seconds. Stir. Heat for 20 seconds, then let set in microwave for 1 minute. Stir. If not all the confectionary or chocolate is melted, heat for 10-second increments, stirring after each. Divide ganache into 3 bowls. Color one bowl of ganache with Betty Crocker™ blue gel food coloring and the other with red.