I recreated the train using a pattern I found online. For storytelling purposes, I laminated them and put felt on the back to use on my felt board. Each child was given a piece (or two, depending on the size of your group) and when the color was called, they brought the piece up and placed it on the felt board.
At one of our centers, we continued with this idea and used pieces of the freight train that I found online. I placed the book on the table with the pieces and the kiddos had to match the colors and put the train in order. I cut a piece of construction paper in two and taped it together so it was long enough to put all of the pieces on.
We also worked on matching colors. The story focuses on seven colors, so I created trains and "stations" for each color and placed them on a table. The kids were given several trains in each color and had to put them in the correct station. If you would like to make this a little more difficult, you could choose one color to create the stations and number them 1-7. Using the seven colors from the story, label each train with numbers 1-7 and have the kids match each train to the correct numbered station.