Environmental protection material - Stickerless frosted surface, environmentally friendly ABS material, non-toxic and harmless, molecular structure stability, impact resistance, no deterioration in performance due to long-term use. our materials are internationally recognized safety and environmental protection materials, and have obtained CE certificate, please feel free to buy. improve a child's memory; Playing this in your spare time can release the work pressure of adults, while helping to prevent memory loss in the elderly. This speed cube game will never go out of style and keep your kids away from the TV/iPad.Unique Features - Superior angle cut, adjustable tension. Hard to pop, good cube control, excellent stability. The edges are contoured and the center piece is a circle which makes it much easier and quicker to turn.Perfect Gift - Wherever and whenever you are, you can try to stretch your brain capacity or pass free time with your loved ones. This classic puzzle game will never go out of style. Ultimate Christmas/Birthday gift for kids, friends, family members.<br>Note: <br>1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. <br>2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you!<br>About Shipping: <br>1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly.<br>2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances.<br>3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours, wish you a happy shopping!