Tool for kids to create and explore Fractions.
This uses the Stencil changeset from Subbu, so if you modify it, it will ask you if you want to save the changes, say yes.
Also look at Pages 5 and 6 to see how the line drawing scripts work.
Blog Post and video here: http://mrstevesscience.blogspot.com/2011/07/fraction-day-day-33-half-spongebob.html
Website contents under a Creative Commons license.