Blend the blueberries, agave or honey in a food processor or blender on high speed until nearly liquefied.
Pour the thick blueberry liquid into a large bowl. Stir in the agave/honey. Add the yogurt and very gently mix fold yogurt and blueberries together, for swirl effect mix minimally.
The mixture will be thick. Taste it. Add more sweeteners if desired
Pour mixture evenly into each popsicle molds. If your popsicle mold has slots for sticks, you can insert them before freezing or use wooden popsicle sticks. Place in freezer for 4-6hours until solid.
To Enjoy, Run popsicle molds under warm water to easily remove. Enjoy!