Antique Railroad cars are made from heavy duty 1/8" - 1/4"
aluminum with wood bottoms. All cars have old worn paint,
moveable wheels and incised and or raised designs. 
2 cars 17 1/4" long 7 3/8" tall 4 1/2" deep
Coal car 12 1/2" long 4 3/4" tall 4 1/2" deep
Open bed car with tall end compartment 17 1/4" long
8" tall 4" deep. The 4 cars connect to each other 
The train cars are well constructed and are heavy
c. 1920's