pen for http://blog.legomushroom.com/2014/03/defining-advanced-animation-path/ post
Pretty cool! It would seem your blue coaster is jumping the track in the loop though.
This is great fun!
@niaconis I think what is actually supposed to be happening is that it is a loop and twist.
They way you achieved the loop-the-loop... brilliant!
How cool is this, great!
Need to know how to enable it? Go here.