Walkman Cassette Player Bundle FAULTY SPARES REPAIR

I don't have the motivation to change the belts or do any other maintenance so selling all as spares/repair.  I have listed known faults but there could be more.    Pleases study the included pictures carefully as these show the condition of the units. 
  1. Aiwa PX207. Eaten tape not playing.  Walkman body very worn
  2. Panasonic RQ-X11.  You can hear the motor trying to run. Not playing.  Body worn 
  3. Panasonic RQ-X10.  You can hear the motor trying to run. Not playing.  Body worn.
  4. Panasonic RQ-X21.  You can hear the motor trying to run. Not playing.  Body worn.
  5. Aiwa HS-PX310.  I do not have a battery to test the unit with. 
  6. Panasonic RQ-S30.   You can hear the motor trying to spin but that's it.  EXTERNAL CADDY IS NOT SUPPLIED.
  7. Aiwa HS-GS242.  Powers on. Not playing tapes. 
  8. Panasonic RQ-X01.  Powers on. Motor tries to spin. Not playing. 
  9. Aiwa PX377.  Batteries have leaked at some stage and discolored the casing. Chrome has come off the casing. Very Poor condition. Untested. 
  10. Philips d6668/05. Rechargeable Walkman. Unable to charge to test it.  The little plastic window on the front is loose.  
  11. Aiwa PX397.  Has eaten my tape. Not playing.  Body of the unit is worn. 
  12. Panasonic SX20.    I do not have a chewing gum battery to test it with, Untested.  Battery terminals have corrosion but could be cleaned. 
Thanks for looking.