Programming for Children

http://smallbasic.com/
http://teachingkidsprogramming.org/blog/?p=1
http://www.alice.org/
http://mindstorms.lego.com/
http://Scratch.mit.edu
http://msdn.microsoft.com/en-us/beginner/bb308754.aspx
http://research.microsoft.com/en-us/projects/kodu/
http://ccl.northwestern.edu/netlogo/
http://www.agentsheets.com/
Game Maker