Precision laser-cut kit made of MDF including materials acrylic (Plexiglass), etc. Easy to build, very detailed kit with interior/exterior lights and motorized working doors. The main building is unassembled, unpainted. Motor mechanism comes built. Door opening/closing speed can be adjusted with a screwdriver as needed. 60X28X20cm (23.6″X11″X7.9). O Scale Engine House w/Motorized doors – YouTube. Other O Scale Items From Proses.