At the top of this post is a great candy shop. As seen on Miette
Love is Sweet - a great Candy Bar sign from Etsy
C.B.I.D
In Blues (with green) at Etsy
Love the Mixed Colors Style Me Pretty
A small candy bar from one of our weddings a few years ago.
One thing I learned was that you don't need as much of each item as you think you do!!!! (or I don't anyway)
Small bags or other containers to fill work great for the favor.