Lego’s Smart Play system announced at CES 2026 earlier this week is a new embrace of digital technology that we haven’t seen from the company before. While the demo Lego gave at its press conference on Monday was a good start to showing what Smart Bricks are capable of, it really isn’t a substitute for seeing it in person. I was able to get an extended demo that answered many of my questions about how the system will work once Lego fans of all ages get their hands on the first Smart Play sets.
As I detailed yesterday, the Smart Play system contains three elements. The Smart Brick is packed with technology like proximity sensors, an accelerometer, color sensors and a speaker, all powered by a tiny chip. It’s crucial to know that each Smart Brick is identical at this point; to really bring a set to life, you need to combine it with Smart Tags or Smart Minifigures. Both the Tags and Minifigures contain specific instructions that help the Brick understand the context that it is placed in.
Lego Smart Play Star Wars sets The Smart Tile is how the Smart Brick identifies this set as an X-Wing figher. Lego Smart Play Star Wars sets Lego Smart Play Star Wars sets Lego Smart Play Star Wars sets Lego Smart Play Star Wars sets Lego Smart Play Star Wars sets Lego Star Wars Smart Play: Darth Vader’s TIE Fighter Lego Star Wars Smart Play: Throne Room Duel & A-Wing Lego Star Wars Smart Play: Luke's Red Five X-Wing Lego Smart Play Star Wars sets 1 / 11 Lego Smart Play Star Wars sets Lego Smart Play Star Wars sets
The demo started out simply, with three small Lego builds: a car, a helicopter and a duck. Each of those builds had a unique Smart Tag that the Smart Brick uses to understand how it should respond to real-world stimulus. The car started making the sound of a revving engine, and when playing with it to drive it faster and more aggressively, the engine made more noise. Tilting the car would cause it to make some screeching sounds as if it was taking corners hard, and flipping it over would make the sound of a car wreck.
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The Smart Brick can similarly sense what specific Smart Minifigures is near it and respond accordingly. Since the first three Smart Play sets are all based on Star Wars, it’s a little easier to explain how they interact with the Smart Brick. Take the Throne Room Duel & A-Wing set — it includes Smart Minifigs for Darth Vader, Luke Skywalker and Emperor Palpatine, and there are also Smart Tags that correspond to various actions the characters can take. If you place a Smart Brick behind Palpatine’s throne, the classic “Imperial March” theme will ring out and Palpatine himself will chatter a bit. The Minifigures don’t actually say real words, but they can still embody their characters well enough. Vader, for example, offers his classic breathing sound and exclaim if he’s defeated in a light saber duel.
Lego Smart Play Star Wars sets (Nathan Ingraham for Engadget)
That duel is a clever part of this set. There are moveable mounts you can place Luke and Vader on, along with a Smart Brick. To complete the battle scene, a Smart Tag tells the brick to take on the characteristics necessary for a light saber battle. As such, when you place the Minifigures in the mount, you’ll hear the classic sound of a light saber humming to life. And if you move the characters around and crash them together, you’ll hear the sounds of battle. Finally, knocking a Minifigure off its spot will tell the brick associated with that character to make their trademark sound of defeat — in Vader’s case, that’s the iconic “noooooooo.”
The other two new Smart Play sets are Darth Vader’s TIE Fighter and Luke’s Red Five X-Wing — an ideal pair for some space-based dogfighting. The X-Wing shows off how good the Smart Brick is at handling multiple inputs. Adding it to the X-Wing will make sounds of the ship humming to life, thanks to the X-Wing-specific Smart Tile. Sit Luke in the cockpit and you’ll hear the Jedi theme music play, and seating R2-D2 in the back will make the Droid chatter at you in its familiar tones.
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