Gilbert Catalog
Price in 1949: $6.95
Has 4 large wheels, base plates, girders, other parts for building windmill, horizontal engine, trip hammer, trucks and additional models. Powerful mechanical motor makes truck models run under own power. A great set at $6.95. Denver and west, $7.30.

Price in 1950: $6.95
Precision-engineered Mechanical Motor enables Trucks to run under own power — no wires, batteries or transformer necessary! Has miniature Shack for Bridge Tender, Ticket Seller, Watchman, etc.Big parts assortment. "How-to-Make-'Em" Book included. Set measures 8" x 10" x 2 3/8". Price, $6.95. Denver and West, $7.30.

Price in 1951: Unlisted
Two tiers of parts provide ample girders, plates, wheels, etc., to build such models as Windmill, Jig Saw, small Airplane Ride, Autogiro, Trip Hammer, Walking Beam Engine, Stomp Mill, Railroad Bridge and scores of others. Mechanical spring-wind Motor enables ERECTOR trucks to run under own power — no wires, no batteries. Also operates Hoist, Crane, Ferris Wheel and other models. Miniature house serves as Bridge Tender's shack, Ticket Seller's booth, etc. Profusely illustrated "HOW TO MAKE ’EM" book included. Set measures 18" long x 10" wide x 2 3/8" high.

Price in 1952: Unlisted
Two big tiers provide a multitude of parts — girders, plates, wheels, etc. — to build such models as a Windmill, jig Saw, small Airplane Ride, Autogiro, Trip Hammer, small Walking Beam Engine, Stamp Mill, Railroad Bridge and a lot more. Precision-made mechanical spring-wind Motor enables trucks and other action models to operate under their own power without wires or batteries. Ideal for Hoists, Cranes, Ferris Wheel and other Erector models. Miniature metal house serves as Bridge Tender’s shack, Railroad Crossing shelter, Ticket Seller's booth, etc. Lavishly illustrated "HOW TO MAKE 'EM" book tells step-by-step method of putting models together. Set measures 18" long, 10" wide, 2 3/8" high.

Price in 1954: $7.95
Two big tiers provide a multitude of parts — girders, plates, wheels, etc.—to build such models as a Windmill, small Walking Beam Engine, Railroad Bridge and a lot more. Spring·wind Motor enables trucks and other action models to operate under their own power without wires or batteries. Illustrated "HOW TO MAKE 'EM" hook. Set measures 18" long, 10” wide, 2 3”/8 high.