General description The Glow Stone set includes 300 blue glow pebbles made from synthetic resin and photoluminescent pigment. These artificial pebbles are designed for various uses, including outdoor gardens, aquariums, and children's rooms, providing a unique luminous effect in dark environments. Technical specifications Material: synthetic resin + photoluminescent pigment Size: approximately 2.2 cm in diameter Quantity: 300 pebbles Usage Ensure the stones absorb enough light during the day for optimal glow. Before first use, place the stones in direct sunlight or bright light for at least 2 to 8 hours. The longer the stones absorb light, the brighter they will glow and the longer the glow will last. In dark conditions, the glow effect is more pronounced; however, the luminous effect is short-lived. For enhanced brightness at night, illuminate the stones with a light source before turning it off. Other information Not suitable for children under 3 years old due to choking hazard from