What am i going to do while my friends sled?

OK well my friends invited me to go sledding with them and only 2 (maybe 1) will not ditch me the ones that ditch me i dont even know and i think they think of me as a piece of crap =/ can someone tell me what i can do on this boring sledding time? im already bringing my ipod...gonna listen to some sick puppies music and some fall out boy and...blah blah blah but wat can i do on this boring sledding time?