Aquabase Invasion. Conflict looms in the ocean depths! The divers are busy drilling for gold, while giant squid with moveable tentacles are lurking, no one is safe! Children first build then use the base’s moveable harpoon cannons and speedy sub to help the divers protect the base. Includes 4 minifigure divers, mini sub, mini sub launcher and glow in the dark pieces. 840 pieces