Glowing pebbles: Get 50, 100, 200 or 300 glow-in-the-dark garden pebbles! Requires no : Just expose to daylight for the glow to take effect. Material: Made from luminescent material and synthetic resins. Colours: Choose from white, green, blue or multicolour. Ideal for: Pathways, driveways, edging, flower beds, fish tanks and more. | Glow-In-The-Dark Garden Pebbles - Blue | Wowcher