Zierer is the company that has built the "Knightmare" at which Lancashire theme park?
Zierer Zierer Karussell- und Spezialmaschinenbau GmbH & Co. KG (Short name: Zierer) is a German company located close to Deggendorf. Zierer manufactures Tivoli and Force line of roller coasters, as well as panoramic wheels, wave swingers, flying carpets, "Hexentanz" and "Kontiki" rides. The company also has partnered with Schwarzkopf to build "Lisebergbanan" at Liseberg and "Knightmare" at Camelot Theme Park.
Polar X-plorer Polar X-plorer is a steel roller coaster at Legoland Billund in Billund, Denmark. It opened on 29 April 2012 as Zierer's first coaster with a freefall drop track section.