Exhibitions function as a communicator of ideas, it seeks to convey additional messages that elaborate on that theme and provide new information or perspectives. COSTECH organizes, participates and sponsors various exhibitions in the country as part of showcasing the latest advancements in science, technology and innovation. These exhibitions are used as a platform to showcase and express to the community various STI activities and publications which have been accomplished in a specific period. COSTECH regularly participates in various exhibitions in the country such as Dar es Salaam International Trade Fair exhibitions (Sabasaba), Annual National STI Competition and Exhibitions (MAKISATU) and Annual National SIDO Exhibitions.