If you zoom in to the grass emitters it shouldn't surprise you if you lag. Generally if you zoom into particles very closely it'll become laggy.
Lots of people usually lag in grass.
How would you normally get to the interface where you script?
Is there an echo in here?
You use a program such as Notepad. I know there are others but Notepad works for me.
Now to find some bots to play with
How do you do stuff with it though? Does it have to do with when you use the wrench and click on a brick's events?