A friend recommended that I try out these Cray-Pas for some of my art projects; I was unfamiliar with oil pastel sticks like these. There are enough colors in this starter set for my purposes, but I can imagine real artists wanting even more variety. I love the creamy feel of the sticks and bold pigment they lay down. I'll probably upgrade to the 48-color Expressionist Cray-Pas once I get more experience using this type of color.