I've been solving rubik's cubes for a little under a year. I can solve 2x2,3x3,4x4, pyraminx,and puraminx duo(though I only own 3x3 and 4x4). My current average is about 35 seconds, incase anyone wanted to know. My 3x3 is the rubik's speed cube, and my 4x4 is the rubik's brand.