school, decided to make the free five day computer science camp. i wanted girls to say "hello, world" to computer science. >> welcome, how are you guys doing today, good. how many of you guys played pong. one of the things we make is a game using language called scratch. it is easy, putting blocks together to create code. make games like flappy bird and pong. >> i am bluebird. it flies with the tubes using a space bar. i realize it is not that hard once you get the hang of it. i didn't know i could do anything like this. i've never done anything like it. >> when you click that on button, the light bulb goes on. you go crazy. you did something and it is working. the white robot things are called finches.