iphone 3gs (broken home button) ?

iPHONE 3G 16GB WHITE UNLOCKED TO ALL NETWORKS HAS HAD A BRAND NEW SCREEN FITTED WITH PLASTICS STILL ON SCREEN THATS WHY PICS LOOKS ABIT FUSSY AS PLASTICS STILL ON FROM COVER. HOME BUTTON DOES NOT WORK AND IS FAULTY, NOT SURE WHATS WRONG, BACK COVER HAS SCRATCHES AND SCUFFS FROM USE AND A SMALL CRACK AT BOTTOM SIDE NEAR CHARGING PORT, THIS DOES NOT AFFECT USE PURELY COSMETIC, PLEASE SEE SECOND PICTURE PLEASE NOTE FRONT OF IPHONE IS IMMACULTE AS AS NEW SCREEN HAS BEEN INSTALLED, BACK IS ORIGINAL SO WEAR AND TEAR FROM EVERYDAY USE BUT PURELY COSMETIC REFER TO 2ND PIC. SELLING AS SPARES OR REPAIRS AS HOME BUTTON NOT WORKING, PLEASE NOTE THIS IS THE ONLY FAULT WITH THIS PHONE. AND IS EASILY FIXED BUT I DO NOT HAVE THE TIME TO DO SO.