Mix blueberries and cereal in a medium bowl, set aside.
Heat peanut butter and honey in a microwave safe bowl. Stir and heat at 30 second intervals until combined.
Pour mixture over the dry cereal and blueberries. Mix.
Press mixture firmly into a parchment lined 13" x 9" pan.
Freeze until firm. Cut into small rectangles.
Store in an airtight container.