Allergen, dust, and gluten-free, antimicrobial Kinetic Sand does not stain, never dries out, and cleans up easily. Designed to support cognitive, fine motor, and sensory development. Store in a sealed container. If Kinetic Sand gets wet, air dry to restore original texture. Five-pound box includes 2 1/2 pounds each of red and purple. Kinetic Sand also available in green and blue as well as 5 1/2 pound Natural. Mini Castle Molds and Laptop Tray also available.