"Magic Roller Coaster Ride"

So I did this thing.
For my 2D animation class.
Watch fullscreen to see the details better.
Haha- have a look see:

http://www.youtube.com/watch?v=JeuYLEuCip0&feature=youtu.be

It's around 300 frames, and I think total hours into it was about 3 hours or so.
My teacher liked it, and said I "leveled up" from last time.