Yield: 18 servings (4 points per serving for blue, green and purple)
Preheat oven to 350 degrees F.
Add the blueberries and maple syrup to a saucepan. Let cook on medium heat for 5 minutes. Remove from heat and let cool for a minute.
Add the cake mix, eggs and blueberry mixture to a large mixing bowl. Stir ingredients together.
Spray a 9x13 baking dish with no-stick cooking spray. Add the cake batter making sure to spread it out evenly.
Bake for 30 minutes, or until a toothpick inserted in the center comes out clean.