At Hannover trade fair 2013, April 8 -12 2013, the KUKA youBot attracted a lot of attention. Not only robotics researchers and developers, but also students and manufacturers were drawn to the booths that were presenting the KUKA youBot. Grenzebach Maschinenbau GmbH, KUKA's biggest shareholder, presented an impressive piece of new hardware: Grenzebach Flightsim.