HOD HEALTH AND HOME Australia has been operating online and instore for 8 years. All products come with a 1 year warranty, fast shipping and special offers added to our site daily.. Grow Your Own Dazzling Crystal That Glows In The Dark! Charge Your Crystal In The Moonlight And Watch Its Magnificent Glow Crystals Will Start To Form Within 10-12 Hours And Should Grow To Full Size In 7-10 Days Kit Includes Growing Container Base Stone Crystal Powder Satchet And Stirring Stick Create Your Own Mesmerising Glow-In-The-Dark Crystals In As Little As 10 Hours! An Awesome Experiment For Curious Children Of All Ages To Discover More About Science By Growing Crystals. Once Your Crystal Has Fully Grown Take Somewhere Dark And Watch Its Magnificent Glow. An Engaging Way To Entertain Kids Or As A Novelty For The Science Lover In Your Life!