What Are Boxes And How Do You Make Stand Alone Trainers?

As the title says What Are Boxes And How Do You Make Stand Alone Trainers? Is there some sort of kit or what?

boxes are the big yellow boxes the go around people.. and u need a uce that makes trainers to make a trainer

heres a sreeny of boxes [IMG]http://i163.photobucke*****m/albums/t312/damanis1/3269345231.jpg[/IMG]

its good when your sniping so u know were people are