Mix the Berry Blue Jello in a bowl according to package directions
Do the same for the Cherry Jello (in a separate bowl)
Let set in fridge for 5 hours or until set. You can also let this set overnight
When the jello is set, take the whipping cream and pour in another bowl. Whip until almost set and add the ½ cup of powdered sugar. Mix until set. You can also use regular Cool Whip
Cut the Jello into pieces and layer it red, blue then the whipping cream. Repeat layers