Prismacolor Col-Erase Erasable Colored Pencils, Non-Photo Blue, (20028) (4-Pack of 12) For works in progress that may need some reworking along the way, these leads erase with ease. Strong, medium coloring points deliver vibrant colors. Offers a safe way to let your child color his/her art works. Perfect for illustrating, animating and all your other unfinished business