There are four pages in this printable, each with a different size of Congo flag on it, ranging from one large flag on a page to 21 tiny ones...
Congo Flag Printable
You can print the Benin flag in a variety of sizes, from large to cupcake flag size, with this printable page.
Print out the flag of Angola in four different sizes, from full size (pictured below) to tiny! This is a 4-page pdf file.