2 (18.25-ounce) boxes red velvet cake mix (recommended: Duncan Hines)
2 2/3 cups water
1 cup vegetable oil
6 eggs
3 (12-ounce) cans chocolate whipped frosting (recommended: Betty Crocker)
1 (6.4-ounce) can green decorating icing (recommended: Betty Crocker Easy Flow)
1 (6.4-ounce) can red decorating icing (recommended: Betty Crocker Easy Flow)
1 (6.4-ounce) can orange decorating icing (recommended: Betty Crocker Easy Flow)
1 (6.4-ounce) can yellow decorating icing (recommended: Betty Crocker Easy Flow)
1 (.68-ounce) tube yellow gel decorations (recommended: Cake Mate)
1 (.68-ounce) tube red gel decorations (recommended: Cake Mate)