LEGO Glow in the Dark Transparent White Head Bad 2007 with Marbled Blue (57551 / 59429)

LEGO Glow in the Dark Transparent White Head Bad 2007 with Marbled Blue has been used in at least 1 LEGO sets over the past 17 years, since it was first used in 2007. You can also find this part in at least 2 other colors. It has a design ID of 57551 which can usually be found molded into the bottom of the part.