Features: No electricity required, just put pebbles in the sun for half an hour or more, it will glow in the dark. Safe, non-radioactive, eco-friendly and reusable. The longer the exposure time under sunlight, the stronger it shines. Perfect for garden, fish tank, aquarium, plant pots, walkway, ect. Specifications: Material: plastics Color: blue, green Quantity: 300pcs Package size: 200 * 150 * 40mm / 7.87 * 5.9 * 1.57in Package weight: 180g / 6.35ounces Note: Due to the different display screen and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Package List: 300 * Pebbles
