This is a 5×5×5 cube shaped twisty puzzle from speed-cube experts QiYi, designed for speed-solving in competition (can also be solved slowly if desired). The cube has a smoother and faster action and looser mechanism than a standard 5×5×5 twisty puzzle cube, and has adjustable tension on each face. Ideal for anyone who enjoys solving this type of puzzle, and suitable for speed-solving competitions.
Price = p154 pence = £8.87