Air Dry Modeling Clay is a pliable modeling medium that only requires exposure to air to dry. No oven or kiln needed . Air dries in 24 hours perfect for classrooms camps or anytime you want to create without using an oven! With an easy to smooth texture and lightweight formula it is simple to work with and provides high-quality results. Once the clay sets it can be painted to add more detail to the final project. Whether for children s activities or for adult hobbies this kids craft supply is a multi functional addition to your material s box.