Postman Pat - Postman Pat Specials - Postman Pat and the Greendale Rocket

Children's animation. The children set off on a school outing and are very excited to find Greendale's forgotten old train. Pat and Ted try to get it working again but with no luck. So they call on the help of Julian's penpal, whose Dad is a train enthusiast. Will they get the Greendale Rocket running in time for the grand opening of the new train station?