TECHNICAL INNOVATION - Superior corner cutting at 43 degrees (approx. 1.5 cubes) and 3/4 cube reverse construction. Unlike traditional ones, the edge pieces are composed of 2 parts, and the corner pieces with 3 parts to provide better stability SMOOTH AND BUMPS - With rounded corners to ensure good fault tolerance, you can twist easier without getting stuck when it's slightly off-center, but you don't have to worry about it falling apart. It has a very smooth surface, no burrs, making it more slippery and fast to twist, with this cube you can achieve world record of 4.90 seconds with the help of the included English solution guide DURABLE AND BRIGHT COLORS - Made of eco-friendly ABS material, non-toxic and without peculiar smell, sticker material is superior PVC with a smooth glossy finish and bright colors. At the same time, the stickers are very durable and waterproof, the colors do not fade even if you play it every day, and do not break when you drop it PERFECT TO CARRY - It is about 2 3/16 inches in diameter (57*57*57mm, 68g), can easily fit into your bag or pockets, very portable to carry, you can take it wherever you want and play it whenever you want, even on the plane ULTIMATE GIFT VIDEO - Speed Cube is a fun, inexpensive, and unique gift for anyone. It can also keep mom and dad on track against Alzheimer's. You can get a memory jog with this cube. Classics that never go out of style