This is such a great idea! I am planning on having these made for my gender reveal party or my baby shower later this year! They are going to be a hit with my friends and family! You can find the directions on how to assemble these adorable favors at Designer Girl 007.
In the list of supplies needed is Gulf Wax. In this particular case, it is used to hold all the pieces of the pacifier together. If you are concerned about the use of this wax, check out this website for more information.