Game programming for kids: looking for open source 2D game development kit

[John Salerno]

Laurent Pointal wrote:

> With Python:
> * pygame + build your drag'n drop features
> * if you like 3D, vpython.
> 
> 
> http://www.pygame.org/
> http://www.vpython.org/

Wow, vpython looks pretty  need. I'm messing around with it right now 
and reading the docs. But I can't find something...do you know how to 
clear the contents of the current scene? I checked the attributes of the 
display, but there is nothing like "empty" that would do it.