Kinetic Sand is non-toxic, gluten-free and made of 98% pure sand and 2% magic. The secret to its movement is our patented technology hidden within the binder. Not only is it soothing and relaxing for all ages in school, at work, in therapy sessions or at home, but also it never dries out! So, it can be used over and over again. Feel the difference with kinetic sand. You can't put it down! Each pack includes 1 kg of Natural colored Kinetic Sand.