-Both "Series 400 Tsubasa" and "Series E4 Max" are articulated cars.
(Pull the lever on the third car to reveal a magnetic coupler, allowing the two cars to be connected and run together.)
-Both cars can be connected and disconnected in a 3-car formation.
-Both cars run electrically at 2 speeds, and can be rolled by hand with the switch off.
*Rails are not included.