Product description： No battery required to light up the pebbles , these glow in the dark pebbles are light up by solar or LED light Auto Glow in the dark garden pennles: These glow pebbles absorb and store energy from sunlight or other light sources and light up in dark environments. These luminous pebbles absorb enough sunlight or other artificial light during the day to glow up to 6 hours at night or any other dark environment. Please radiate them with light again if they are not bright enough. Safe and Eco-friendly: No electricity or battery needed. Our glow garden stones are made of natural resin, non-toxic, non- radioactive and odorless. Fine workmanship and polish so there is no sharp edge. Perfect for indoor and outdoor decoration: You can use these glowing stones to line a walkway, pathway or driveway, edge a flower bed or fill potted plants with these glowing pebble stones. Creating DIY decoration for vases, fish tanks, aquarium ornaments, gardening, swimming pool, pond, bar decoration, home, park, waterscapes, landscape, planter, potted plants pots, patio, lawn, yard aquariums, crafts decorations. Romantic : You just pave them along the pathway and these pebbles will emit a brilliant glow after absorb enough sunlight or other artificial light during. These glow pebbles transform your garden into a beautiful and dreamy landscape Before use, it needs to be exposed to light for about 10-15 minutes to achieve the luminous effect Glow in the dark stones(artificial) : Size about Length:2CM-3CM Quantity : 10 pcs Color: Green, white, blue, yellow, Pink Package Contents:10pcs luminous stone