 Krake operates with three floorless steel and fiberglass trains . Each train has three cars that can seat six riders in a single row for a total of 18 riders per train . The seats are black and each have a brown over @-@ the @-@ shoulder restraint . On each train , there are a pair of tubes that allow the water to be shot into the air as the train reaches the bottom of the first drop . Also , the trains for the roller coaster were manufactured in Switzerland . 
