Crayola® Classpack Coloured pencils have pre-sharpened points with thick, soft 3.3 mm cores for smooth, scratch-free laydown and are perfect for colour mixing and blending, as well as practicing more detailed techniques. Crayola® Coloured Pencils are made from reforested wood. For every tree used a new one is planted keeping forests green and healthy! 20 each of 12 different colours. Pencils are certified AP nontoxic.