Quad Cities kids are building on their futures this weekend at the Putnam Museum in Davenport, Iowa.
It's the 4th annual Lego League competition.
More than 65 teams dueled it out to see who built the best Lego robot.
Teams were judged on how well the team works together and how well the robot completes a real life problem.
The competition started Saturday (12/15), and will wrap up Sunday (12/16).
Qualifiers will then head to the championship in Iowa City next month.
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