Occasionally, I browse Ebay to see what's available.
Here's two current auctions.
One is for an AMF Trac 16, I recall a recent post inquiring about these.
The other is an Aroaring, which I've not heard of. I did a search in this forum and found no info on this brand.

Thought these may be of interest for anyone looking for them.


AMF Trac 16
in Pa.
Item number: 260256779591


1973 18' AROARING Catamaran with Trailer
in Ill.
Item number: 160256062883