PJ1002 is correct on the Shinkansen.
As for year, see that black square on the edge and without the Komachi symbol near the window, this may be part of the E6 Super Komachi and Tomica set from 2013.
The third one, can't tell by the photo but right where the coupler is...the door. Is there like a beveled plastic on the right side of the door? If so, this could be the 700 series Coach released in 2007.
The center looks like the Tekoro de Charge Komachi E6 from 2021: https://www.amazon.co.jp/-/en/Departure-...B09DL939RS
As for year, see that black square on the edge and without the Komachi symbol near the window, this may be part of the E6 Super Komachi and Tomica set from 2013.
The third one, can't tell by the photo but right where the coupler is...the door. Is there like a beveled plastic on the right side of the door? If so, this could be the 700 series Coach released in 2007.
The center looks like the Tekoro de Charge Komachi E6 from 2021: https://www.amazon.co.jp/-/en/Departure-...B09DL939RS