Amazon.com: Ulanlan Speed Magic Rubix Cube 3x3 Build-on Brick Smooth Turning Magic Cube Brain Teaser Puzzle and Building Bricks Toy Desk Toy Great Gift for Legos and Rubix Fan (Brick Separator Included) :
SquidCuber | The world's fastest (1 second average) Lego Rubik's Cube solving robot! - YouTube
kyo takano creates 'color universal rubik's cube'
Rubik's Impossible, The Original 3x3 Cube Advanced Difficulty Classic Color-Matching Problem-Solving Puzzle Game Toy, for Adults & Kids Ages 8 and up – StockCalifornia
Rubik's Master, The Official 4x4 Cube Classic Color-Matching Problem-Solving Brain Teaser Puzzle 1-Player Game Toy, for Adults & Kids Ages 8 and up – StockCalifornia
Lego robot crushes Rubik's Cube world record with superhuman speed - The Verge