The full layout is 80"x60". The train tracks in front are permanent, as this will normally be displayed at NILTC's shows.
It is always fun to watch a family pass by the display, see the littlest kids get all excited that there is something at their eye level, and have the adults wonder what they're talking about until they, too, look down. Then it's even more fun watching the adults strain to bend down for a look. ;)