The Artist pencils come in a range of 120 colors which can be purchased in a set of 72 with the remaining 48 pencils bought separately (Open stock pencils can be a pain to get depending on where you live) or a wooden box which contains all 120 pencils. The wooden box will cost you an arm and a leg though (on dickblick the box would be 183$, where the set of 72 would cost 87$)
So far the pencils seem to be better then the studio pencils. They are a bit more pigmented and seem to layer on the paper easier. They also blend better with a spirit blender, but they do suffer from clumping if you try to blend layers of colors. It seems that around 3 layers of color it just becomes harder and harder to add layers.
Once the drawing is done i will do a final review of the pencils
Until next time happy drawing!