By now, you and the cat sprite have been through a lot. You have learned how to move it in various ways and make it draw all kinds of shapes and patterns. In this chapter, you’ll learn to give it a new look with costumes and effects, as well as a little personality with speech and thought bubbles. The blocks you need for this are in the Looks category. These purple blocks control the way the sprite looks. After investigating what each of the blocks in this category does, you can put them to work in several examples to better learn how to use them.