Fidgets spinners need absorb 60 seconds of light under the light conditions (sunlight, mobile phone rear light, etc.), then Release light in the dark environment, which is very interesting. 【Silent Long Time Rotation & Glow in the Dark】: INNOPLUS fidget spinner rotation time is 3 to 5 minute average, The rotation time is controlled according to the external force, The great the power, the longer it lasts. 【Best Anti-Stress Stress & Small】: Great for releasing anxiety, relaxing, staying awake, release the nervous energy, Improve focus and help ADHD.