<p>STORY HIGHLIGHTSRobot is biggest all-terrain operational hexapod in the world, according to UK creators"Mantis" weighs 1.9 tons and is nearly three meters tallChief engineer Matt Denton inspired by AT-AT walkers in "The Empire Strikes Back"</p><p>(CNN) -- Stomping through the fields and industrial wastelands of Britain, this giant six-legged walking robot is a world first, say its creators.</p><p>Weighing in at 1,900 kilograms (4,190 pounds) and measuring 2.8 meters (9.1 feet) tall, Mantis is the biggest all-terrain operational hexapod in the world, according to Winchester-based animatronics and robotics company Micromagic Systems.</p><p>Chief engineer Matt Denton spent three years designing and testing the machine before completing a successful test drive last year.</p><p><a href="http://www.cnn.com/2013/04/19/tech/mantis-robot-monster/">Keep reading...</a></p>