Luminous stone Glow Stones AIGUMI 100Pcs Decorative Gravel Garden or Yard Blue Glow Pebbles for Aquarium Fish Tank Decorations Walkway Park Ornaments in the Dark(Blue) 100% brand new and good quality A bag of 100 stones  In the daytime or when there is lighting, the stone is milky white Glow Stones need a good direct sunlight to glow,Please expose the stones stickers to the sun in the daytime to absorb enough light, so that they can glow in the night better., these pebbles glow (Blue) in the dark They are only decorations, less than the brightness of the lightingPlaced in the darker place will be more bright  decorative sidewalks, flower beds and fish tank Pay attention to avoid making toys for children, children play may cause suffocation.