WTB: cheap (used) twin tips just to play around with

I'm looking for a cheap pair of twin tips that i can just mess around with rails and stuff and use in the park sometimes (im not that much of a park rat and just starting freestyle) im looking for something really cheap, like under 150, im 135 pounds and 5' 10'' so something 170 or bigger def. so if anybody has anything they want to get rid of let me know!