Updated

A Nebraska teenager built a large American flag with interlocking plastic bricks on Saturday and set a Guinness World Record.

John Lang, 17, of Omaha, Neb., started planning on building the flag with plastic construction bricks in hopes of breaking a world record a year ago, the Omaha World Herald reported. Lang was able to retrieve the 680,000 red, white and blue bricks largely through donations to build the flag.

After that, the teen gathered up some volunteers and met with experts to help create a design of the flag.

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On Saturday, the teen along with some 200 volunteers began assembling the flag in the Canfield Plaza Shopping Center’s parking lot.

Some Gold Star families contributed to the project by touching every brick on the bottom of the flag’s left corner to commemorate their fallen relatives.

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More than nine hours after construction began, the flag was finished. A professional land surveyor measured the flag and found that it was 1,812.52 square feet. The previous world record for the biggest image ever built with interlocking plastic bricks was 1,687 square feet. That record was set in 2013 by a man in the Netherlands, according to the Guinness World Records.

“It’s surreal to see something that was just an idea two years ago physically in front of me right now,” Lang told the Omaha World Herald.

Lang said all the hard work was worth it. “Even if I scraped off all the skin off my fingers…with all the work we put into it,” Land said. “I’m glad we finished it.”