Christmas trees and electric trains just seem to go together! Christmas Trees have had christmas train light traveling around them since the 1920's when they were all the rage. The inventor of the toy train was a teenager named Joshua Lionel Cowen who made the first train. He sold his invention to a department store as the Christmas train. In the 1920's about a million train sets had been sold in the United States. Folks of all ages love to see a train going around the Christmas tree. It is a wonderful way to create Christmas memories.