A yellow LEGO duck had another LEGO block with a black body and transparent material attached to it. After shaking the duck 2-3 times, a yellow light—matching the duck’s color—turned on in the ...

The brand-new, jaw-dropping Lego smart brick tech can recognize other bricks, activate effects and play music. They're debuting in Star Wars Lego sets this spring and we got an early look at CES 2026.