How Lego designed its new interactive Smart Brick

While the Lego Group has dipped its toes into tech waters before, the company hasn’t strayed far from its analog roots. But on Monday, the 94-year-old company unveiled a new product line that embraces the digital age, without abandoning its core business.

At CES, Lego announced the upcoming launch of the Lego Smart Play system, an interactive technology that lets users’ Lego creations respond to player actions with tailored sounds, lights, behavior, and more. The company says it’s a...