North Pole Express Christmas Train Box Car EZTEC The North Pole Express Christmas Train Box Car by EZTEC is a colorful plastic freight car designed for model railroads and train enthusiasts of all ages. With a festive multi-color design and a G gauge size, this 2016 release is perfect for adding to a holiday train display or for children to enjoy imaginative play. Made in China by EZTEC/Scientific Toys, this C-6 Very Good graded car is a great addition to any train collection.