following:

The closed canopy 1934 Mercedes W25 Rekordwagen:

Mercedes 1934 W25

The 1936 Mercedes W25 Rekordwagen:

1936 W25

The 1938 Auto Union C-type Rekordwagen, using my 1/20 scale Revival version as an info source:

1938 Type C

The 1937 Mercedes W25 AVUS streamliner:

1937 Mercedes

The 1935 Auto Union Rekordwagen:

1935 Auto Union AVUS

The 1939 Maserati 4CL 1500 streamliner:

1939 Maserati

The 1940/41 Alfa 512:

Alfa 512

Duplicate in 1/18 scale the 1/20 parts from Revival kits to make larger scale open chassis versions of the Auto Union Type C and Mercedes W154 and W163:

Auto Union C-type open chassis
Mercedes W163 open chassis

And the previously-mentioned 1955/56 Bugatti 251 GP car, using the 1/24 FMMPMODELOS kit as an info source:

1955 Bugatti 251

My list of desired models is long.....