I read the article and I have found the recipe to make this fairy jar is easy. You just need a mason jar, glitter, glow sticks and a serrated knife. And This is a good activity to do with kids because when they are finish doing it, it can make them a little light so that they can sleep alone. I think it's a good idea!
DIY Fairy Jar Tutorial Craft
Vintage mason jars are the ideal containers for a kitchen herbarium. Almost any herb can be started from seed in a mason jar. Chive, thyme, and rosemary are excellent choices. For each, follow package instructions and keep soil warm, moist, and in full light until seeds have germinated. When they outgrow their space, you can cut them as needed.
Paint vases inside - turn dollar store finds into something special.
DIY Clay Jewelry Dish - Love love love!