TechnologyCubeStormer – Worlds Fastest Lego Mindstorms Speedcubing Robot by Kuch BhiFebruary 19, 2010January 6, 20200564 Share0 CubeStormer is worlds fastest Lego Mindstorms RCX Speedcubing Robot. This is built entirely from lego elements which scans and solves any 3x3x3 Rubik’s cube combination. CubeStormer solves 3x3x3 Rubik’s cube under 12 seconds.