masterpiece, (realistic:1.5), <lora:SteamPunkBundleV3:0.45> coalpunkai, (realistic N scale white model train) with metal body, clockwork mechanism, prototypical paint schemes,detailing, brass trim, racing through a tranquil snowy diorama, featuring a snow-blanketed forest, a small village, kids sledding down hills, rabbits hopping through the snow