We have covered a bunch of awesome glow in the dark gadgets and toys in the past. This Om Mani Padme Hum Glow In the Dark Ring is also worth a look. It is available in 8 glow colors and can last for hours in the dark. Simply charge the ring under the light, and you are ready to go.
This sterling silver 925 spinner ring with rose gold plating is available for under $100 at this time.