Sound the alarm! Mad Harriet and the green Kryptomite have broken into the Batgirl Secret Bunker and stolen Batgirl's microchip and special Batarang! Race down the zipline to chase after them. If you catch them, put Mad Harriet and the Kryptomite in Batgirl's Bat-Wagon and haul them to jail. Recover the stolen items and celebrate with the Batgirl Bat-Bot! The LEGO DC Comics 41237 Batgirl Secret Bunker includes 351 pieces. Ages 7-12.