In a medium sized mixing bowl add in oats, almonds, coconut, sunflower seeds, pepitas, flax, and cinnamon. Mix together.
In a separate bowl, mix together kefir, honey and vanilla.
Take four 16 ounce mason jars and evenly divide muesli into them. Pour 1/2 cup of kefir mixture into each jar. Top with fresh blueberries.
Place on each lid and store in the fridge until ready to eat.