The ultimate modeling material for a wide range of hands-on learning projects and sculpting activities. New Neon colors can be blended by mixing colors thoroughly, or stop mixing part way to create marbled effects. Great for teaching color theory with cool new colors and for creating colorful 3-Dimensional projects. Air dries to a smooth, resilient finish. Four amazing neon colors: Radical Red, Yellow-Green, Laser Lemon and Shocking Pink.