The s-bot is a small (15 cm) differential wheeled (with additional tracks) mobile robot developed at the LIS (Laboratory of Intelligent Systems[1]) at the EPFL in Lausanne, Switzerland between 2001 and 2004. Targeted to swarm robotics, a field of artificial intelligence, it was developed within the Swarm-bots project, a Future and Emerging Technologies project coordinated by Prof. Marco Dorigo. Built by a small team of engineers (Francesco Mondada, André Guignard,