In lesson three, you will learn what control blocks are. You will learn about all different types of control blocks and what each and every one of them does. You will also learn what waits, loops, stops, if statements, and clones are. You will also learn about different types of conditions. Lastly, you will apply what you have learned! By creating a sprite that walks in a loop, or doing some cloning, or having your sprite say something under a condition.