Blueberry Pi teammates Rex Wright, right, and Nate Shelton, both Richland sixth-graders, react as their Lego robot moves through the “Trash Trek” challenge course Saturday during the FIRST LEGO League Tri-Cities regional tournament at Chief Joseph Middle School in Richland. More than 300 local students competed in the 10th annual tournament. Teams spent the last few months programing a Lego robot to solve the challenge of cleaning up trash as well as presenting real-life ideas on trash collection, sorting, smart production and reuse.
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