- KATO's first OO-9 (Double O-Nine) Narrow scale model, which was realized in collaboration with PECO company, is a steam locomotive stored in the UK, "Small England Princess"
- Manufactured in George England from 1863 to 1867, this tank operated steam locomotive with a 2-axis mobilization, and is the oldest part of the train road
- The Princess Prince is dynamically preserved and is used to feed passengers on the train
- The OO-9 Double Ornament is a 1/76 scale narrow gauge railway model with a 0.4 inch (9 mm) trajectory. Drive on N Gauge Uni-Track railway
- Enjoy tabletop driving with the cute atmosphere of the actual car and the detailed details that are unique to the steam locomotive It is also compatible with the Uni-Track Compact Series, so it is recommended for driving in small space layout unique to Narrow scale