You might want to check Scratch: http://scratch.mit.edu/ It's free, runs on Linux, Mac and Win and let's people share their videogames and animations on the web. It was discussed before here: http://tech.slashdot.org/article.pl?sid=07/05/15/1420238 For those interested in connecting to the physical world you can get the PicoBoard or the LEGO WeDo which interface with Scratch

maybe becase it's 5:20 am ?