I used cabochons of labradorite and piece of wooden snag as nature part. Small electric lamps and LEDs take part of technological elements. LEDs powered by small battery and can be switched off/on by button, covered with beads. Also I used fluorescent beads, so the necklace glows in darkness with weak blue light even if LEDs is off. Both fireflies in necklace can be divided and used as brooches.
In my necklace I used a combination of different techniques, such as bead embroidery, french knot embroidery, beadwork, felting and some other. And also I made small LED illumination with switch.