The transparent model engine kit was so successful that Renwal followed the V8 with the Visible Man and the Visible Woman. As those models were made for children, while they were anatomically ...

“ “The second engine model I would like to introduce is a V-Twin. It is inspired by the legendary Harley Davidson (R) Sportster engines from the late 50’s.

Described by Renwal as “a transparent, operating auto engine assembly kit,” the Visible V8 used clear plastic for molding the cylinder block, heads, and valve covers, allowing builders to view over ...