Key Ideas
1Say It! — The Looks Blocks. In Scratch, the Looks blocks (purple) control what your sprite shows on screen — including speech bubbles and thought clouds. Two of the most fun blocks are say and th...
2Costumes — Change Your Sprite's Look. Every sprite in Scratch can have multiple costumes — different images of the same character. Switching between them makes sprites look like they're moving, blinking, o...
3Build: Talking Cartoon Project. Let's build a project where two characters have a conversation. This is called a timed sequence — blocks run one after another, each waiting before the next one runs.