First of all, you don’t want to go to this exhibit in your stocking feet. It’s not sanitary, of course, but also because there are just too many of those little plastic blocks for unprotected feet to navigate without nervousness.

The Science Museum of Minnesota’s newest visiting exhibition, “Towers of Tomorrow with Lego Bricks,” has more than 700,000 Lego pieces — more than half a million in the 20 towers in the display and an additional 200,000 loose bricks for visitors to show off their own mad Lego skills.

The Lego creations represent some of the most astonishing skyscrapers in the world — from China’s Shanghai Tower and the Burj Khalifa in Dubai to New York City’s Chrysler Building. They’re crazy accurate in miniature, right down to umbrellas over tables on balconies. The towers were built by Australia’s Ryan McNaught, one of only 14 certified Lego professionals in the world.

McNaught and his team spent more than 2,400 hours building the structures in the “Towers of Tomorrow” exhibit, which weighs more than 1.5 tons.

As a special addition to the exhibit, the new U.S. Bank Stadium was created using 25,000 Legos.

After the kids are inspired by the towering works, they can build their own creations, which will be added to a futuristic Lego metropolis inside the exhibition. Visitors can also build Lego vehicles to put on a zipline and have their creations come to life at a computer animation station.

The “Towers of Tomorrow” exhibit is included in Science Museum admission. It is a traveling exhibition from Sydney (Australia) Living Museums and sponsored by U.S. Bank.

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