Glow In The Dark, Aquarium of Glass starfish, and dolphins with a firework spray of glow in the dark above it. Ocean Blue bottom. Multi Colored fish painted on the side GREAT PIECE! This product is solid glass, very large, like a bowling ball.
The crystals or the white crumbs you see inside the globe is phosphorus.
When phosphorus is exposed to the light during the day, it will glow at night for an hour or more depending on how bright the day has been.