Cut red bell pepper into 7 strips
Peel jicama and cut into rounds, then square them and cut into 7 strips. Cut one of the strips into little chunks for the stars
Trim 4 red bell pepper strips and 3 jicama strips to fit around the star square.
Assemble the flag: Start with the red bell pepper, alternate with the jicama, so that the last stripe is red (13 altogether).
Put the blueberries in the square and sprinkle in jicama stars