A couple years ago we went to the science museum on the outskirts of Paris, France. The featured industry at the time was forestry, with lots of static displays plus a couple of hands-on gizmos. The hottest gizmo was a harvester simulator for an all-in-one tree harvesting machine which cut, de-limbed, segmented, and then stacked the lumber all directed by a couple of joysticks. Here's the next generation unit which adds walking to the list of features.