Can you buy anything with blue ribbons?

No, blue ribbons are strictly a currency for measuring the accomplishment of various tasks for purposes of determining winners in the Detective League team competition.

If you are interested in trying team competition, my team, Junes Challengers is looking. We are a fun caring group that is competitive. Due to illness and other life issues, this multi Sherlock winning team is in a rebuilding mode. We would love for you to check us out and see if we would suit.