THECHRISTMAS STAR PUZZLE ANSWER

The star is an important part of the Christmas story: without it the wise men would not have known about Jesus.
There are 2 very small [yellow] stars; 9 small [red] stars, 2 large [green] stars; and 2 very large [blue] stars. There are 21 triangles. 20 of them are marked with a mauve splodge; the 21st triangle is where two others overlap each other.