Florian Kastenmeier, of Germany, now holds the Guinness World Record for assembling the largest collection of rotating puzzles in the world — a whopping 1,519.
Rubik's Cube - The most popular puzzle in the World
Why It's Almost Impossible to Solve a Rubik's Cube in Under 3 Seconds
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Chinese boy, 9, solves Rubik's cube in under 4 seconds
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Rubik's Cube
Optimal solutions for the Rubik's Cube - Wikipedia
New Rubik's Cube world record solved in 3.1 seconds by 21-year-old American (video)
Rubik's Cube, 3x3 Magnetic Speed Cube, Super Fast Problem-Solving Challenging Retro Fidget Toy Travel Brain Teaser, for Adults & Kids Ages 8 and up – Shop Spin Master
Meet Max Park, the world's fastest Rubik's cube solver : NPR