This 5x5x5 smooth cube is a cuber?s delight that will make you feel the difference in smooth cubing. Equipped with adjustable tension settings, this cube has a very fast and crisp turning that helps in good cornering and gives it a good cutting speed. Durable Fabricated from high-quality plastic this speed cube is very durable. Enhances the Cognitive Skills A smooth cube demands attentiveness and skill. This cube helps you in enhancing your skills at all levels. A Perfect Gift This speed cube is a perfect gift for both girls and boys.