The tallest construction ever made from LEGO bricks was recently unveiled in South Korea to commemorate the toy’s 80th anniversary.

The 105 foot tall tower, which looks like the Washington Monument, stands in front of Seoul’s Olympic Stadium. It was built over five days by young LEGO enthusiasts using over 500,000 bricks.

From The Daily Mail:

After it was finished and assembled, Prince Frederik [of Denmark] – on a six-day state visit to South Korea – was hoisted up on a crane to lay the final brick.

The very first Lego tower was built in London in 1988, standing at just under 50 feet.

Since then the record has been toppled more than 30 times.

Watch: