What do the contestants submit?

Each project consists of a technical written report and display materials, models, etc. Up to 6 contestants (aged between 15 and 20) may submit a project; each country may enter up to 3 projects. At the Contest, the contestants set up their project in a display stand (of given dimensions) in the Science Exhibition Hall and are required to answer questions from members of the scientific jury. The Science Exhibition is open to the public and contestants are encouraged to explain their projects.