This trip starts from the Media library of the Tunis Science City where the two robots Dorra and Dhafer meet the children and tell them the story of the magnificent trip to the past. This trip is about the journey of Alla Eddine and the giant through the main steps in the history of Kairouan .During this trip the two protagonists meet the famous scientists of Kairouan and visit the most important monuments of the town. Furthermore, they get insight into the historical role of Kairouan and its contribution to the dissemination of sciences in Ifriqiya and around the Mediterranean Sea.