2mm glass seed beads
Colorful acrylic beads (pumpkin beads)
Jewelry pliers set (side cutter, round nose and chain nose pliers)
Of course, apart from pumpkins, there are many other traditional items for Halloween. Like skulls, skeletons, ghosts, vampires, witch, and so on. If you wanna make something creepy instead of those cute pumpkin earrings, you can search for other Halloween beads, like skulls, eyeballs, bats, and spiders.
And here is a collection of jewelry making ideas for Halloween, hope you guys can get inspired.