From Miniature to BIG

Yes, those Hattons models do look good.

For what it is worth, I enjoy making adapters to connect different versions of 0-gauge track, including the slightly wider blue plastic track. My O-scale models can share a track with my granddaughter's plarail and wooden railway trains. Child under careful supervision while the real models are out, of course!  I made a small battery shunter than can run around a wooden railway circuit and also run on most brands of 0-gauge track. It has a magnet coupler on one end and a Traing-Rovex (or Lima) coupler on the other.

I have been impressed by the "OS-Railway" 3-D printable 0-gauge track. You can make display tracks for the cabinet or make more to build a layout on the floor, providing that you don't need track power.

For real? I always thought O gauge/scale was much bigger than the "Toy Train Standard Gauge" of Plarail, BRIO and the likes (where the vehicles seem just a bit bigger than H0/00 in most cases), due to how Lionel/Hattons trains look to me on camera. A bit like the time when I found out how tiny LEGO minifigures were after only seeing them in photos/videos. After this revelation, I really want to see proof one day (if possible). I guess it would mean my Union Express set might actually be O gauge, given the stock from it fits on TOMY/TrackMaster including the flanges. Wonder what your scratch built shunter looks like and what you made it from. Thanks for the cool information.