I have a bunch of LEGO bricks from the years 1975 - 2016. There are a lot of obscure pieces in my collection, but this piece is so obscure that I have no idea what it goes to. If anyone can help it would be much appreciated.



  • btw i have found a second 1 they have a 1 and a 2 on the bottom Mar 27, 2019 at 20:41
  • 1
    Does it have LEGO logo on the bottom?
    – Alex
    Mar 27, 2019 at 21:14
  • yes, and they both have "a 1" and "a 2" on the inside. Mar 28, 2019 at 19:41

1 Answer 1


This is item no 812

  • Train Level Crossing Center Rail Cap Insert 2 x 14 x 2/3

made for item no 813, the railroad crossing.


(source: bricklink)

It replaces the 12V straight insert (i.e. it closes the middle gap) when using a 4.5V train system.


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