CubeStormer 3 LEGO Robot Solves Rubik's Cube in Record 3.25 Seconds
Jessica Hardy
Updated on March 17, 2026
This is the CubeStormer 3, which just hauled in the Guinness World Record for analyzing and solving a Rubik’s cube in 3.253 seconds. It’s made out from LEGO, magic, the devil, children’s dreams, children’s nightmares and an ARM processor — the type you may or may not find in your smartphone or tablet, depending on the model. (It’s actually powered by an eight-core ARM chip-infused Samsung Galaxy S4 smartphone that controls four robotic hands and eight LEGO Mindstorm sequencers, per ARM’s press release.)
So which poor, disheveled, jerk of a robot did the CubeStormer 3 just snatch the title away from? That would be the CubeStormer II. So at least the creators are keeping the title in the family. And hopefully CubeStormer II — which analyzed and solved a Rubik’s cube in 5.35 seconds — was given a nice retirement package.