hello , lima the italian company had made a lot of trains in ho but also in 'o ' , the coach is always the same body whith different decoration and paint ,you can discover here(http://trainslima1-45.forumactif.org/)
the troubleshooting is that cant drive on tinplate track,the genuine wheels are bad ,but the process to do it is very simple , just to replace the axle-wheels whith for example here , fast angle wheels (that i bought in your country )
the cost of one used car is around 30/40 dollars usd here and they are not so bad for plasticbuilt