[Exercise mental release pressure] It is never go out of style game that if you get the speed cube and offer them the classic challenge puzzle. Speed cube can foster sense of space and enhance memory of your kid. The children couldnt take shortcuts, because the speed cube designs without stickers. Speed cube can release the working pressure of the adults and help to prevent a decline in memory of the elderly. [Speed Cube suitable for all levels persons] Speed cube suitable for beginner and professional player. Speed cube has excellent stability great corner cutting , tension adjustable. Speed cube doesn't often corner twist and lock up. Speed cube is a sensible choice for you to improve personal record in competitions! [Speed first ] Speed cube set is superior corner cutting, tension adjustable, which also is difficult to pop, good control and excellent stability. Speed cube internal corners are slightly rounded, which makes it smoothly and quickly. [Safety and environmental] Speed cube is easy to hold and not easy to scratch because of frosted surface. Speed cube makes of crafts abs material, non toxic, reliable, lightweight and comfortable. [Have fun with them] This 3x3 cube can foster your kid's sense of space and enhance a child's memory. Suitable for beginner and professional player. Great classic toy idea for your loved ones.