Its awesome and some parts where actually puzzles. Unlike the normal push the button with this and the door opens sort of thing you had to think a little.
Ran 100% realtime with no problems on my comp. The portals are very well made but I would have though you could have teleported santa as well. These simple portals have been made before.
Algoryx should send you a T-shirt anyway for an awesome scene!
Edit; Still 10/10
Btw para how did you get the grid to turn black as well as the borders?
Edit; Noticed what happens when you fiddle with the color of background, Silly me.
I don't know. I just sort of went for a super car the tried to make it look like it had a special engine on the back (the grey bit). You can use the body if you want; The whole body is grouped.