I have 2 of these Ertle Collectables Car Trailers Left.
They are Pre assembled
I am Blowing them out for $12 each or trade??? Includes shipping to US.

Comes with ramps and chrome Ball for tow vehicle.
Great size for diecast pro stock , Plastic pro stocks ,( Cavaliers,Olds, the newer body styles.) Tryed Nascar Diecast and was a little to wide.
So these was made for narrow bodied cars. New in box.
If interested post, PM or Email.