"Tested but only runs for a few seconds"!!!
And just look at that chimney!.
http://m.ebay.co.uk/itm/TRI-ANG-OO-GAUGE-6042-LOCO-/122269851377?hash=item1c77d9def1%3Ag%3ADZ8AAOSwux5YUazv&_trkparms=pageci%253A2242b97d-c709-11e6-99c4-005056974d32%257Cparentrq%253A1e7db7151590a60624fc3ddeffd4d4fa%257Ciid%253A7