Combination of great pilots and a unique lighting/pyrotechnic system that is about to become commercially available for 50cc+ machines. Details soon on Essential RC.
Vid taken at the UK, Southern Model Show 2015
http://www.youtube.com/watch?v=w0cju5LVwcA
https://www.facebook.com/groups/EssentialRC
https://www.youtube.com/c/EssentialRC