Spring design, adjustable tension. quick and precise turn, good turn. The new generation of puzzle cube with more precise and cornering engineering to enable faster cornering and smooth playing. Improved anti-pop technology and structure to facilitate easy twisting. Fits perfectly in the hands of the player.Lots of fun and brain improvement. Reduce stress, exercise the brain, activate imagination and creativity, improve memory and patience, improve problem-solving skills, have fun alone or together with friends or family. Definitely a classic addition to the toy collection.Material: ABS + Carbon fiber sticker. Using durable ABS material, non-toxic without any harm to people and the environment. Durable sticker made of strong carbon fiber, no fading or peeling, even after many hours of work. More reliable and lightweight cube to carry anywhere you want.Perfect gift for kids and adults. Idea gift with fashion design and bright colors for kids, adults and seniors; for friends, colleagues, lovers and family members; for beginners and professionals.