The set is in great condition but the box cover is in poor shape. Trains have been tested and work as expected. See pics for what is included. This Lionel Thunder Express Train Set from 1988 is a complete and original set that will surely delight collectors and train enthusiasts alike. The set includes all the necessary components to create an impressive train display, and the attention to detail is evident in every piece. The brand Lionel is known for its quality and this set is no exception, with a gauge of O and a year of manufacture in 1988. This set is perfect for those who are looking for a starter set or for those who want to add to their existing collection. Cover is in poor shape.