Prismacolor Premiers vs. Faber Castell Polychromos colored pencils over grayscale - Huelish Grayscale Adult Coloring Books
Colored Pencil Blending Techniques: Pencil Tricks, Solvents & More
Colored Pencil Blending Technique Using Vaseline - video Dailymotion
Crayola colored pencils .They are worth the price . I got a pack of 120 for 20 dollars from amazon. Some colors ( mostly the darker ones) were soft, easy to blend
Altered Book Lover: Second Thursday Tutorial: Playing with Vaseoine/Petroleum Jelly