Lego bricks come in a ridiculously vast array of sizes and shapes, but the company is unveiling an entirely new take on its classic shape at CES 2026. Meet the Lego Smart Brick, a standard-sized 2 x 4 brick that’s packed with modern technology to enable sets that can respond to how they’re played with or the sets you build. It’s part of a new initiative called Smart Play, which encompasses the Smart Brick as well as Smart Minifigures and Smart Tags. While we obviously don’t know yet how Lego fans will take to this new system, it’s still fair to say it’s the biggest move Lego has every made to infuse its products with connected technology.The Smart Brick has a 4.1mm ASIC chip inside of it that Lego says is smaller than a standard Lego stud. It runs something called the Play Engine that can sense things like motion, orientation and magnetic fields. Thanks to this and some integrated copper coils, the Smart Brick can sense distance, direction and orientation of other Smart Bri