One Key Logo

Scratch File: 

onekey.sb

This is a great beginners project and consists of a sprite that responds to key presses to draw a shape so, for example, pressing FRRR FRRR FRRR FRRR will draw a square. Press the GREEN button to clear the screen.
The available key presses areL
F - Forward
B - Back
R - Right
L - Left
GREEN - Clear and reset.
We have a video that shows you how you can make this application yourself from scratch and also a more advanced version with a memory that is excellent for introducing turtle graphics.