From 2007 to 2011 the train travelled as 'Science Express' displaying the world of micro and macro cosmos, spreading the awareness about strengths of science in meeting global challenges, including latest discoveries and innovations in the field of modern science. The coaches of Science Express were thematically represented on the Bing Bang, Nanocosmos, Building Blocks of Life, From Gene to Organism, Architecture of Mind, World of Senses, Sensors, From Data to Knowledge, Global Challenges, Spaceship Earth, Our Home in the Cosmos and The Universe. It was a retreat for the visitors specially the students to know about cutting-edge science and technology through exhibits, models and audio-visual displays put up in the coaches of Science Express.