These earrings are based on my LED Shiny Kunai, and are equally as deadly.
 
All colors are UV reactive (aka fluorescent/black light).  Contains no LEDs or batteries.
Photos show earrings under direct UV or zero UV.
Red looks pink in bright white backlight :3
Green looks slightly yellow in bright white backlight.
Blue is very pale in normal lighting, and very blue under UV.
Edges are blunt and point is slightly rounded.