FIDGET TRI HAND SPINNER GLOW IN THE DARK
Hold the center of the spinner between your thumb and forefinger and spin it with any free finger. These spinners are made of metal alloy have a weighted edge and good quality metal bearings.
The spinner must be exposed to light to activate the glow in the dark feature.
This is not a puzzle to solve - it is purely a fidget toy (yes it is for adults as well) Read below about the benefits of fidgeting: