GLOW IN THE DARK PEBBLES: These glowing rocks absorb and store energy from sunlight and other light sources,light up in dark environments. These glowing pebbles can glow for up to 1 to 2 hours in darkness after a full day in the sun.These glow stones are green in the day, but they are going to be Blue glow pebble rocks at night! Please radiate them with light again if they are not bright enough. SAFE & DURABLE: The glow in the dark stones are made of natural resin, non-toxic, non- radioactive and odorless. Glow in the dark rocks are no harm to people, fish, birds and plants. Fine workmanship and polish so there is no sharp edge.The glow in the dark stones for outdoor, fish tank, fairy garden, mason jar, pathway, yard garden decoration, aquarium decoration. APPLICATION:The luminous pebbles be used 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, bird fountain, waters capes, landscape, planter, potted plants pots, patio, lawn, yard aquariums, crafts decorations. SIMPLE TO USE: Let the pebble stones absorb enough sunlight or artificial light at least for 4 hours, and pave them along the pathway. They will emit brilliant glow at night and transform your garden into a beautiful and dreamy landscape.Glow in the dark stones for walkways plants NOTE For better glowing effect, please do not scatter these garden pebbles to use and put about 10pcs or more together. Our engineers' test result is 1 individual stone can only glow about 3h and not bright 5-10 stones put together can glow about 5h and bright 100 or more put together can glow about 7h and very bright. Color: White Blue Color Mixing are available The color and size are slightly different, please refer to the actual received good