Colored Pencils

 

Prismacolor Colored Pencils (wax-based):  

http://rhsart.net/art-video-tutorials/drawing/colored-pencils/prismacolor-pencils/

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Faber-Castell Polychromos Pencils (oil-based):

http://rhsart.net/art-video-tutorials/drawing/colored-pencils/polychromos-pencils/