Slice Watermelon into rounds about half an inch thick. Use the star cookie cutter to cut different sizes of stars.
Thread the fruit onto skewers in this order for a patriotic look: Watermelon, Marshmallow, blueberry, and Repeat the pattern as many times as the skewer allows.
Arrange on a platter and keep refrigerated until ready to serve.
Optional: drizzle lightly with honey just before serving for a touch of sweetness.
Optional: add on some of the star rice crispy treats you made to change it up