Spinnermania

Spinner or fidget spinner toy, designed to relieve stress and to bring peace.
In the center of the spinner there is a bearing, the material of the toy — plastic, brass, stainless steel, titanium, copper and so on.
Such an instrument has another good purpose — it helps people with defocusing attention and increased nervousness.
This is a virtual version of the popular toy that lets you play everywhere.
Install the Spinnermania on your phone and spin as much as you want.
This app "Spinnermania" includes 29 different spinners with real physics of rotation.