Here is some interesting information about how Minecraft is actually a pretty useful and very engaging tool for game based learning as evidenced by some teachers and schools in the US.


http://www.forbes.com/sites/alexknapp/2011/04/05/using-minecraft-as-a-teaching-tool/

http://arstechnica.com/gaming/2011/04/educational-building-blocks-how-minecraft-is-being-used-in-the-classroom/

Some videos here also:

http://www.youtube.com/watch?v=sb4PYDTfSbQ

http://www.youtube.com/playlist?list=PL50C3F3DA2B10EA40

You can buy minecraft directly from the game developer here http://www.minecraft.net/store/game


It is safe.

Enjoy