A two car coach conversion kit to model two vehicles from the prototype HSTE train. Kit contains a pair of 8 windowed open coaches without window surrounds that can be finished as either Trailer Second Opens (TSOs) or First Opens (FOs). See conversion kits CK3314 and CK3315 for the other two HSTE vehicles. Kit requires two Lima or Hornby (correct length) MK 3 coaches. Kit contains two vehicles.