Graham Products 450 Pieces Glow in The Dark Rocks | Indoor & Outdoor Use – Garden, Fish Tank Pebbles, Planter, Walkway, Driveway Decoration & More | for Kids Aged 6 & Up | Powered by Sunlight – Blue

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Vibrant and Long-lasting – These decorative, glow-in-the-dark pebbles can be charged under any light to deliver 1.5 hours of colorful, intense glow that gently dissipates over time. Continuous soft light for up to 12 hours
Use Anywhere – Add nighttime charm to any Japanese rock garden, flowerbed, pond, or landscaping feature. Line your aquarium or outdoor path with just the right touch of soft, radiant color
Great Gifts for Kids – Children will love using glow stones to jazz up their room or add some magic to a fairy garden. A fun and educational way to introduce kids to the concept of photoluminescence
Quality Design – Graham Products’ glow pebbles use the finest quality photoluminescent pigment, with a high concentration per pebble to deliver vivid radiance when fully charged in the sun or any bright light for at least 2 hours
Safe and Non-Toxic – Made of plastic resin, these stones are non-toxic and non-radioactive. Safe to use as a base layer for your fish tank or terrarium. The 2lb package contains enough stones to cover a 9″ x 13″ area. Pebble size: roughly 1” diameter. NOTE: These pebbles are a potential choking hazard for younger children. Recommended for ages 6 and up