She’s spent 10 days painstakingly constructing her art installation - and now she’s about to destroy it with the flick of a finger. On Saturday, D.C.

’s National Building Museum will see 100,000 dominoes topple in a colorful feat of engineering. The installation - made with sleek, straight-edged neon tiles built for knocking down rather than the traditional dotted kind - features elaborate field constructions and rarer domino “tricks,” such as giant collapsing walls and fragile domino towers, all connected by a fluid chain of evenly spaced slabs. The chain reaction of metronomic tck-tck-tcks is expected to last eight full minutes and promises to be supremely satisfying.

The mastermind behind it is Lily Hevesh, a 25-year-old domino artist and artist-in-residence at the museum, who has garnered fame in the international domino community and beyond for her massive, inventive creations. Advertisement She and her team of nine international builders have crafted the 50-by-50-foot trail with the ultimate goal of having it crash down in carefully calibrated chaos for the exhibit’s grand finale. “When you see the effects that the dominoes are creating by having that motion and kinetic energy, that’s where I think the real beauty of domino art comes out,” Hevesh told The Post.

Hevesh is building all this inside the museum’s Great Hall, where anyone can stop by and see the team in action as they construct the domino field. While they’re separated from the public by .