Each team demoed for 1.5 hours in a science fair-style expo. A panel chose the top 7 teams, and each of those teams pitched in front of the whole group. 6 judge

Each team demoed for 1.5 hours in a science fair-style expo. A panel chose the top 7 teams, and each of those teams pitched in front of the whole group. 6 judges asked questions and awarded prizes to the top 3 teams.