4 cups boiling water, divided use 2 (3.25-ounce each) packages or 1 (6-ounce) package Jell-O Brand Berry Blue Flavor Gelatin 2 (3.25-ounce each) packages or 1 (6-ounce) package Jell-O Brand Gelatin, any red flavor 3 cups ice cold water, divided Read More …