I want to add some spices etc., to my extract beer kit. Since I will not be boiling, how would I add these correctly, just simple pour them into the wort? Thanks
Pouring them into the wort might work ok, but most spices work better if boiled with the wort. I'd still try it though, I don't think it can hurt anything. Maybe think about trying a short boil (5-10 minutes). This shouldn't be enough to change the intended flavor of your kit very much, but still enough for the spices.
You say you're not boiling so I think you would want to do something to ensure your spices won't infect the wort with anything. Steeping the spices in some vodka to extract the flavours would probably be the best option.