From the site, here is description of this commercial app. It costs $50.
Phrogram is a great way to get started and go further in learning and doing real computer programming. Beginners get a solid foundation and intermediate to advanced users take their skills far beyond what other learning-oriented programming environments can offer. With Phrogram, you can create games and other programs with just a few instructions. Making programs do more with less code leads to faster results and more fun.
http://www.openbookproject.net/py4fun/
A collection of several small Python programs. They are aimed at intermediate programmers
http://teachingtechie.typepad.com
A very well written and frequently updated blog where a teacher experiments with technology when teaching her students. Includes sections on robotics.
http://www.nxtprograms.com/projects.html
This site has many interesting projects and the building instructions are very detailed.
Here are some very good ones:
1. Line Follower
2. Inch Worm
3. NXT Explorer – the best!
http://www.gamelearning.pwp.blueyonder.co.uk/index.html?clubs/tools/tools.htm
I nice summary of all the tools you can use to make games.
http://video.google.co.uk/videoplay?docid=-5129662873097337591
Tim Bell, one of the authors of the book Computer Science Unplugged gives a talk about the book and his work.
http://radar.oreilly.com/archives/2007/01/why_johnny_cant.html
A blog posting about what tools and languages to use for teaching programming kids. There are lots of good comments.
http://www.tagtooga.com/programming/python+beginner+tutorials
A list of Web sites that have tutorials for Python beginners.
http://www.verber.com/mark/cs/kids.html
A very complete and up-to-date list of tools for teaching kids to program.
http://www.simberon.com/elastolab.htm
ElastoLab is a fun program for kids that lets them play with sound, images and motion in a simulated physics environment.
ElastoLab has been released as an open-source free-ware program.
Ideas for Teaching Computer Technology to Kids 