Learn more about Materials, Blueprints, VFX and level building in unreal Engine 4 in this special GDC 2014 walkthrough. you can watch an in depth series of video tutorial here
[dailymotion]https://www.dailymotion.com/video/x1ip9wb_unreal-engine-tools-demonstation-gdc-2014_videogames[/dailymotion]