If you’ve got kids at home, or if you’re just incredibly careless with your own Lego collection, YouTube’s The Brick Wall has built a Roomba-like robovac that sweeps any errant plastic pieces off your floors, letting you finally walk around barefoot with impunity.
Source: Gizmodo – Lego-Sweeping Robovac Made of Lego Bricks Is the Best Thing to Happen to Bare Feet