This combined pack includes the train, curved track, curved track with trees, walk-over for guests, invisible tunnel, trestle bridge, and train station. The objects are scenery and the bridge is working as arch for guests.   Additional info: Combined Birmingham train combined.ztd contains: Train walk over  walkable Birmingham train tunnel waterplaceable: Birmingham train rail with trees Trainsimplerail trainbridge Birmingham zoo train station Birminghamzoo mini tra