Lego is aiming to add a new dimension of fun with its interactive Smart Play system.

Lego has unveiled Smart Bricks - tech-filled versions of its small building blocks - which it says will bring sets to life with sound, light and reaction to movement.

Lego took to the stage at CES for the first time this year to announce what it’s framing as the biggest innovation in brick building since it introduced the humble minifigure: a series of tech-enhance...