I just picked up a couple of these from my local model shop. /media/tinymce_upload/8258143f32984e893f20a1998db27add.jpg Being very light they kept derailing when crossing points, so after a quick rummage through the "it'll come in handy one day box" and a light going over with the air brush, we have this. /media/tinymce_upload/8d2ac3097e7bd3f9b0c9f2780a08c26b.jpg