Expand your Acela consist with three new cars. Just like the cars in the original set, each new passenger car tilts individually as it enters a curve. At a station, watch the appropriate side doors open automatically with a CAB-1 command. Under official license from Amtrak, this painstakingly accurate replica comes to life with rivet-for-rivet detailing taken directly from Bombardier blueprints and Amtrak painting manuals.