01 - 
                Set your oven to 350°F (175°C) and grease a 9x13 pan well.
              
              
              
                02 - 
                Follow the steps on the cake mix package to prepare the batter.
              
              
              
                03 - 
                Separate the batter into three bowls and dye each batch a different color using the food coloring.
              
              
              
                04 - 
                Layer the colorful batter into the prepared pan. Bake it for 30-35 minutes or until a toothpick stuck in the center comes out clean. Let it cool down completely.
              
              
              
                05 - 
                Use the end of a wooden spoon to poke holes all over the cake. Combine the pudding mix and milk in a bowl, whisking them together well. Pour the pudding mixture on top, letting it sink into the holes.
              
              
              
                06 - 
                Spread the melted white chocolate over the cake, smooth it out. Add whipped topping as a thick frosting, then toss on some pastel sprinkles.
              
              
              
                07 - 
                Refrigerate for at least 2 hours to set everything before serving.