Note: The correct light-emitting principle: whether it is day or night, if you want it to glow, you need to illuminate it with a light source for about 10-20 minutes, and then take it to a dark place for observation.
How do you make them glow?
1.Don’t leave the pebbles under light with the package .
2.Don’t pile up pebbles , make sure each pebble is fully illuminated .
3.When the pebbles are glowing , please make sure the surroundings are dark enough .
4.You can enjoy the glowing pebbles,the longer the absorption time , the longer the illumination time .
10 PCSLuminous stones
100% brand new and high quality.
High brightness, long life time expectancy.
Water, acid and alkali resistant, antioxidant.
It could be used over and over again.