Versatile glow powder is great for a wide range of fun activities for kids. This non-toxic product can be used in almost any craft project where you'd like to add a little glow-in-the-dark fun. Mix with any kind of polymer clay, air dry clay, or even Play Do to make soft, pliable glow-dough. Mix with glow slime to create a supercharged glow effect! Charge up with sunlight or a UV black light flashlight. Glow effect lasts hours and can be recharged thousands of times. Comes in a cute tin container, so it's perfect for inclusion as part of a craft kit or party favor.