Zodiac Keychains

I've been meaning to make a gift out of these pieces that I saw at Michaels, but I've never come up with a good idea until today.  I decided that I was going to buy some Swarovski crystals in the colour of the girls' birth months, add some silver spacers, and make some fancy keychains out of them.  I know everyone has millions of keychains, more than they know what to do with, but these are home-made and I hope that they can make some use of them. 

Here's a picture: