Features: A good choice for killing time, helps relieve stress. Great for fidgety hands, ADHD sufferers. It's fun and interesting, also effective for focus and deep thought. Especially helpful to relax effectively when you are all nerves. It feels nice in the hands and it is almost silent so you won't be bothering anybody. Mini enough to put in your pocket, have fun anytime. Perfect size, suitable for adults and kids over 16 years old. Perfect fidget toy to keep your hands busy or to just play with. How to use: Hold spinner in one hand and use the other hand to spin it rapidly and keep it spinning indefinitely by using small continuous strokes. Spinners can start and stop spinning only with the help of one finger.