Prang Colored Pencil Set have smooth, 3.3mm cores for vivid, blendable color laydown. Quality colored pencils are manufactured using only the finest materials. Cased in real wood, colored pencils come pre-sharpened and ready-to-use. PMA and AP certified non-toxic. Each pack includes 12 pencils in assorted colors. Bundle includes 6 packs for a total of 72 pencils.