Blend blue layer, divide between four cups and place in freezer for 15 minutes.
Wash out the blender.
Blend white layer, place in cup and freeze for 10 minutes.
When blue layer is no longer liquid, spoon white layer on top and freeze for 15 minutes.
Blend red layer, place in cup and freeze for 10 minutes.
When white layer is no longer liquid, spoon red layer on top of white layer.
Serve with a colorful straw or a spoon.
Blue layer: 3/4 cup 2% milk, 1/3 banana, 1 cup blueberries, 1 tbsp chia
White layer: 1/2 cup 2% milk, 1/4 cup 2% greek yogurt, 1/2 tsp vanilla, 1/3 banana, 1/4 cup oats, 1 tbsp chia seeds
Red layer: 3/4 cup 2% milk, 1/3 banana, 1 cup raspberries, 1 tbsp chia