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Nielsen is hoping to get the 1,030,315-million penny pyramid added to the Guinness World Records book.
His request is under review, Rachel Gluck, spokeswoman for Guinness World Records, told the Post.
The current record belongs to Vytautas Jakštas and Domas Jokubauskis, of Lithuania, who built a 1,000,935-coin pyramid at the Money Museum of the Bank of Lithuania Nov. 29, 2014, Gluck told the Post.
He has created more than 40 videos on his aptly named "Penny Building Fool" channel as the project has progressed. A six-minute time-lapse video compresses the 1.8 years it actually took Nielsen to construct it.
Nielsen plans to destroy the pyramid in another YouTube video and then cash in the $10,303.15 worth of coins.
After that, Nielsen plans to stack larger coins.
"I'm going to attempt to work with a local casino and make a pyramid of 4.1 million quarters that would beat my record," Nielsen told the Post.