Bumpy Drop Lampwork glass beads for Jewelry making Thease are miniature works of art that are painstakingly crafted, passionately used in jewelry design, and lovingly collected. Made in India Beads is the Largest Manufacturer of Lampwork Glass beads, we welcome your custom designs If any. !!! lampwork beads from a variety of talented contemporary artists, plus, illustrations from the renowned Corning Museum of Glass.