Squeak Etoys is a "media authoring tool"-- software that you can download to your computer
and then use to create your own media. You can write out your project and share it with others.
Etoys runs on any Mac or Windows machine, as well as on the OLPC XO machine.
It is free.
Find out about Etoys.
Text of this guide (for searching): Paint Tools: The Color Picker Matches
Colors Exactly. Click on the paint palette in your
Navigator Bar and click on the Color Picker.
Touch its tip to any color and click.
The Color Picker fills a brush or paint bucket tool with the color you chose. The Color Picker identifies colors with mathematical precision. Open a paint palette and match these colors exactly.
Try with and without the Color Picker.