Never is such a big word! The wife would never forgive me if I ever admitted to owning a half-finished model I would NEVER complete..!
Now, let's see...
VEB 1/100 Dassault Mercure
VEB 1/100 Boeing 727-100
VEB 1/100 Yakovlev Yak-40
Tupolev 1/200 Tupolev Tu-152
Hasegawa 1/200 MDD MD-11 (2 of them)
Hasegawa 1/200 DC-9-15 (conversion)
Revell 1/144 Junkers G38
Revell 1/144 Airbus A330 (2 of them)
Revell 1/144 BAe-146
Trumpeter 1/144 Ilyushin Il-76
Italeri 1/48 MDD F-18E
Williams Bros 1/48 Caudron Racer
1/35 Brachiosaurus (scratch)
Tamiya 1/20 Porsche 928S
Alan (?) 1/35 Panzer II ausf L
1/76 BMMO double decker bus (scratch)
Matchbox 1/72 M1A1 Abrams
SMA 1/76 M50 Ontos
1/76 ADGZ armoured car (scratch)
1/76 Lorraine APC (scratch)
1/76 Laffly S20 (scratch)
1/76 T-26 Bridgelayer (conversion SHQ)
SMA 1/76 Puppchen
Bust of Dr. Evil (scratch)
Scoobidoo (scratch)
and probably a few more that are in a longer term storage... Now, where's that 1/32 Mig-15 I was thinking about starting...?