Kevin Hays from Renton, Washington has been ‘Speedcubing’ for over five years, completing multiple Rubik’s Cubes of different sizes against the clock. Here he demonstrates his amazing skills completing the 2×2, 3×3, 4×4, 5×5, 6×6, and 7×7 cubes all in a row in 6 minutes and 23 seconds, smashing the old world record by over 30 seconds. Kevin can typically complete the traditional size Rubik’s cube (3×3) in eight seconds on average. Credit: Kevin Hays