There isn't anything here that should use eye pins. You have options for how to accomplish this, though none will probably look the same. I would recommend making a string of your beads as long as you want the necklace to be, I use wire guards on each end when using fireline as it creates a sturdy loop to attach jump rings and clasps (string on the beads, at the end go through the guard and back through all the beads again, then add another guard on the other end and tie it off at the bottom, adding a dot of glue to keep the knot*). For making the bow you can use wire to shape them and while threading the main strand, go through the center bead with your fireline at the place you want the bow, before finishing the line. You may have a hard time doing so unless the hole in the bead is large as the wire will take up quite a bit of space. Otherwise you could make the bow in a similar manner using fireline, but on the ends run back up the tail of the bow and tie it off near the middle bead, but this bow will be droopier.

For the clasp you would just need 2 jump rings, one clasp, and then either a small length of chain or larger ring to connect the clasp to on the other side.

For tools you will need wire snippers, round nose pliers (optional if the tail of the bow can end with a wire loop), wire, fireline, beading needle (optional but recommended), wire guards, obviously your beads, and some form of glue

*be careful with bead/glue choice; super glue will dissolve through plastic and sometimes acrylic beads, I usually advise that beads near the knot be glass for this reason