NATIONAL GEOGRAPHIC National Geographic Crystal Miracle (Glow-in-the-Dark Crystal Growth Kit)

The best STEM crystal science educational toy for children, a gift that your baby will never forget. Play science with your hands! Cultivate beautiful crystals This is perfect practice for kids of all ages and a great introductory course to geology and chemistry Crystal Miracle (luminous crystal growth set) will ignite children’s love for science When mixing crystal growth powder and water, please use boiling hot water (90 degrees) to successfully grow crystals. Principle - a high-temperature saturated solution becomes a supersaturated solution after cooling and the water evaporates, so the crystals will be released and adsorbed to the seed crystals Precautions: 1. This product is not suitable for children under 8 years old. Please use the product under adult supervision. 2. Please remove packaging accessories before use. Children are prohibited from swallowing small parts. 3. Please stay away from fire sources NATIONAL GEOGRAPHIC Crystal Miracle (Glow-in-the-Dark Crystal Growth Kit) Material: zinc sulfide, rock, phosphor Contents: 1 bag of crystal growth powder (zinc sulfide), 1 seed rock, 1 instruction manual Applicable age: 8 years old and above Outer box size: 12.8x4x21.7cm. About 161g Origin: Made in China Commodity inspection mark: M64387 https://live.staticflickr.com/65535/53211794016_9641bed25d_b.jpg https://live.staticflickr.com/65535/53212178924_404d750552_b.jpg https://live.staticflickr.com/65535/53212178909_3c4ab19b15_b.jpg https://live.staticflickr.com/65535/53210912847_ce3cb17266_b.jpg https://live.staticflickr.com/65535/53212307340_a714d249b5_b.jpg