This article describes a challenge given to students completing a senior high school biology course. The scenario described encourages students to apply their knowledge, understanding, and appreciation of scientific and commercial principles. It permits them the opportunity to develop skills in research, collaboration, cooperation, delegation, and reliability, as well as monitoring, evaluation, and reflection. The assessment strategy described ensures that the individual and the group understand the evaluation criteria being used and, by using peer evaluation protocols and independent reviewers, the overall project mark is seen to be fair and valid.