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The Planet Robotics team is shown with trophies and a robot on a game table. From left are Arnav Gupta, Dyuthi Prashanth, Vansh Mookim, Jiaan Shah, Aditya Naravane, Richaa Volety and Ishika Kumar.

NORTH ATTLEBORO — Last year, a team of area teenagers took on a challenge of protecting pedestrians. This year, their ambitions were a little bigger — trailer trucks.

Planet Robotics, a group of seventh and eighth graders from around the area, have earned an invitation to the Sesi First Lego League Challenge International Open in Rio de Janeiro in August.

Tom Reilly can be reached at 508-236-0332 or treilly@thesunchronicle.com. Follow him on Twitter @Tomreillynews