Around 28-30mm scale Carriage. It measures around 3,3 inches length, 2 inches width and just under 2 inches height.
It's designed for use with games such as Dungeons and Dragons and Pathfinder, although one could use it as a prop for other games featuring carriages in this style.
This thing was made with Tinkercad. Edit it online https://www.tinkercad.com/things/2tcz4HYBVni