Invader Zim Glow in the Dark Mystery Enamel Pin Blind Box Series Introducing Buckle-Down's exciting new series, the Invader Zim Glow in the Dark Mystery Enamel Pin Blind Box Set! Each Invader Zim Glow in the Dark Collectible Pin Blind Box contains a hard enamel pin featuring glitter accents bearing a random mystery icon from the series. Mystery icons include: GIR Tongue Out, Sad, Laughing, Screaming, Tutu Ballerina, or Running. Perfect surprise gift for teens and adults who love Invader Zim! Item cannot be shipped to P.O. Boxes