Our 400-piece set of NightGlow Acrylic Stones is designed to transform any area into a starry oasis. Made from eco-friendly acrylic, these stones are not only durable but also safe for the whole family. During the day, place them under the sun or bright light, and watch them come alive with a soft glow as night falls. The luminescent effect can last up to 8 hours, creating a serene ambiance in your garden, patio, or aquarium.