The first rails were always plastic, without any grooves. These 3 set above are the first ever Plarail sets from 1959.
The only time wood rails in Plarail appeared is this set, which is fairly recently:
![[Image: Dwo-p-f-VYAASd-Bz.jpg]](https://i.postimg.cc/jD9BrCRQ/Dwo-p-f-VYAASd-Bz.jpg)
The only time wood rails in Plarail appeared is this set, which is fairly recently:
![[-]](https://www.blueplastictracks.org/images/collapse.png)