Gilbert Catalog
Price in 1949: $1.75
Has 4 sizes of steel girders, 3 kinds of base plates and enough other parts to build see-saw, crane hoist, bridges, and other models. Gives hours of model building fun at small cost. $1.75. Denver and west $1.85.

Price in 1950: $1.75
Hours of building fun at small cost! Makes Crane Hoist, See-saw, Battleship, etc. Contains 4 sizes of Steel Girders, 3 kinds of Base Plates, many other parts. Includes "How-to-Make-'Em" Book. Set is 13 1/2" x 9 3/4" x 3/4". Price, $1.75. Denver and West, $1.85.

Price in 1951: Unlisted
Here's extraordinary value! Four sizes of steel girders, 3 kinds of base plates and host of other parts sufficient to build score upon score of interesting models. Illustrated "HOW TO MAKE 'EM" book shows 72, including Baggage Truck, Swing, Prairie Schooner, Express Wagon, Crane Hoist, etc., but actually number is unlimited. Parts arranged for accessibility by builder. Set measures 13 1/2" long x 9 1/2" wide x 3/4" high.

Price in 1952: Unlisted
Here’s extraordinary value! Four sizes of steel girders, 3 kinds of base plates and host of other parts sufficient to build score upon score of interesting models. Illustrated "HOW TO MAKE 'EM" book, with four-color cover, shows 72, including Baggage Truck, Swing, Prairie Schooner, Express Wagon, Crane Hoist, etc., but actually number is unlimited. Parts arranged for accessibility by builder. Set measures 13 1/2" long x 9 1/2" wide x 3/4" high.

Price in 1954: $2.00
Four sizes of steal girders, 3 kinds of base plates and host of other parts sufficient to build score upon score of interesting models. Illustrated "HOW TO MAKE 'EM" book, including Baggage Truck, Crane Hoist. etc., but actually number is unlimited. Set measures 13 1/3” long x 9 1/2” wide x 3/4” high.

Price in 1955: $2.00
Fun for the young builder! Four sizes of steel girders, 2 kinds of base plates and host of other parts sufficient to build score upon score of interesting models. Illustrated "HOW TO MAKE'EM" book shows 45 of them including Baggage Truck, Swing, Prairie Schooner, Express Wagon, Crane Hoist, but actually number is unlimited. Parts arranged for easy accessibility. Set measures 13 1/2" long x 9 1/2" wide x 3/4" high.