QiYi Cylinder 3x3 Speed Cube

Product details

• Magic Cube Made of Durable and Environmentally Friendly Abs Material, Environmental Protection, Non-Toxic, and Safe. Frosted Surface, Increases Resistance, Easy to Hold, Does Not Scratch.    
• After Opening the Middle Cover, You Can Adjust the Tightness of the Screws According to Your Preference to Meet the Different Needs of Players. Smooth Running Without Slowing Down.    
• Cylindrical Shape Makes the Speed ​​Cube More Interesting. So You Can Take It Out and Keep the Fun Going. You Can Enjoy It While Passing the Time on a Lazy Afternoon.    
• Magic Cube Designed to Increase the Intelligence of Children, Reduce the Workload of Adults, and Help Prevent Memory Decline of the Elderly.