Glad you asked...
You can easily make a cardboard box train by using five shoe boxes. You will also need large paperclips, some decorations, a toilet paper tube, glue, tape, a paper plate and a hole punch. Check out this site for complete directions for making a cardboard box train. http://www.ehow.com/how_4682160_make-car...
Then again, this answer might help you...
You can make a great cardboard train if you have 3 boxes! You will need one moving box, and two large appliance boxes. Make a series of cuts into the boxes to begin!

