Each ribbon can be done in an afternoon. They take me about 3 hours to do, depending on how fast I am working and what else is going on in the house.
If you are familiar with peyote stitch and would like the pattern that I used for these ribbons, please email me and I will send it to you. It helps if you already know odd-count peyote as the pattern does not teach the stitch itself. Once you know it, it is a fairly easy pattern to follow.