Three Swanees 3 and three hands 3 and three hardisks and a power cable

Three Swanees 3, all the Swanees have problems and are not working properly, one for 70 And three hands 3, I don't know what's wrong with them, one for 15 And a power cable, the cable is working or has something wrong, 20 And three hard disks, the hard disks are working but I don't know how many gigabytes, one for 40