SuzzQ ... I really like the colours you are working with and the borders you've already added. Those colours get me excited!!
What I am thinking of is something that looks like rocket blasts, in paper piecing to pull the colours together. So many different star possibilities, kind of like Mariner's Compass Star, but smaller so it will show but not take away from the blocks. Or Compass Needle?
https://www.inktorrents.com/shop/pro...quilt-pattern/
Or even simpler using Arkansas Star blocks?
Looks like a fun project for you, and look forward to seeing the end results!