This hand spinner provides a "soothing relaxation" through the sensation of high-speed spinning between your fingertips and the enjoyment of watching its smooth movement. It is said that watching the high-speed rotation can improve concentration and provide mental relaxation effects such as stress relief. Although there are some scratches, rust, and dirt on the main body and case, it is in a clean condition and there are no problems with use, but please understand that it is a used item.