Diy Galaxy Costume . Guardians of the galaxy diy costumes. It all started with the mask. Galaxy Princess DIY Space Costume Fasching from www.pinterest.com Our family loves the movie guardians of the galaxy, so it was a given we would convince our kids this was the halloween theme we needed to go with. The best part of these is that you can make them using stuff. We’ll fully admit that when we started researching different galaxy themed projects to make ourselves, the idea of creating “galaxy” food wasn’t one that ever entered our minds… and yet, here we are!