3 years & up. Build, shape and sculpt! These eye-catching hues assist in visual stimulation and allow for vivid, bright art projects and works. These pieces of modeling clay are perfect for designing colorful pieces of art and are designed to not dry out! Crayola® clay is not made to be places in an oven, kiln, or microwave, and is made with non-toxic materials. Includes 8 pieces of neon modeling clay: 2 Neon Orange, 2 Neon Green, 2 Neon Pink, 2 Neon Yellow.