The Peak Cube S3R 3x3 is a brand new one of a kind 3x3 designed by new manufacturer Peak Cube. This cube features a unique four spring center piece structure with interchangeable tension tabs. More notably, this cube has detachable piece panels that you can replace to change the turning texture of the cube. The culmination of the features results in a truly novel speed cube that is customizable in ways we previously didn't imagine.