AKRON, Ohio -- The University of Akron hosted the first Lego League Tournament of 2013 Sunday.
The theme of this year's tournament was "Ideas That Will Make Senior Citizens' Lives Easier".
About 31 teams of hundreds of middle school students across northeast Ohio participated in the tournament. Each team constructed robots made of Legos they used to complete challenges and battle against one another.
The teams also debuted other engineering-related inventions at the tournament, all related to the competition theme.