Gilbert Catalog
Price in 1946: Unlisted
Curved track is required to build the circle which is the basic track layout. All other layouts are elaborations of the circle. 12 sections make a 32" diameter circle.

Price in 1947: Unlisted
Curved track is required to build the circle which is the basic track layout. All other layouts are elaborations of the circle. 12 sections make a 32" diameter circle.

Price in 1948: Unlisted
Curved track is required to build the circle which is the basic track layout. All other layouts are elaborations of the circle. 12 sections make a 32" diameter circle.

Price in 1949: $0.40
 

Price in 1950: $0.40
Made like above. 8 3/8" long. 40¢ per sec.