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): Here are halo handles around a green rectangle. The halo is a set of controls that let you make changes to objects in Etoys.
Right click on the rectangle to open a usable halo called "rectangle1". Halo Tools: How to Make the Halo Handles Show. right click button. Try to open a halo for each of these rectangles.
Halos for very small things with fine lines are the most difficult to open because the point of the arrow must be exactly on the line. Every thing has a halo and every halo handle has a help balloon.
There are layers of objects on the screen. Find a halo for the book,
the page, and the text.
Open a halo for the green rectangle and experiment with the controls its halo handles provide.