Gilbert Catalog
Price in 1949: $10.95
You’ll feel like a real engineer when you build this airplane ride — then make it spin merrily around when you hook up the Erector electric engine and the Magic-Twist Flexible Coupling. Set also builds lift bridge, windmill pump, airplane beacon, pile driver, other buzz-with-action models. Set includes girders in different types, gears, pinions, miniature house for bridge tender and many other parts. Packed in red metal cabinet. Loads of fun at the sensational low price of $10.95. Denver and west, $11.50.
FLEX-O-MATIC Powered by the famous Gilbert Electric Motor
Exciting Airplane Ride revolves at dizzy speed

Price in 1950: $10.95
One of the most popular sets in the Erector line — and little wonder! With the gleaming array of Girders, Gears, Pinions, Wheels, Plates and the power-packed Gilbert Electric Engine, you can build such famous models as the Airplane Ride, (above) Lift Bridge, Windmill Pump, Airplane Beacon, Pile Driver and many others that have thrilling action. Miniature House serves as Bridge Tender’s shack. Also included is the sensational Magic-Twist Flexible Coupling that enables you to transmit power from your Electric Engine to the model in twists, bends and loops. Big red metal Cabinet, which measures 16" x 8 1/4" x 2 3/4" has hinged cover. Illustrated beak describes in step-by-step fashion how to put together models. Price, $10.95. Denver and West, $11.50.

Price in 1951: Unlisted
lt's easy to understand why this big ERECTOR set, with its gleaming array of more than 350 parts, has consistently remained one ot the most popular ever made. Jam-packed with Girders, Gears, Pinions, Wheels, Plates, Bolts, etc., it has a double tier of trays nested in a sturdy hinged-cover cardboard box. Powerful Electric Engine gear train runs in forward and reverse, has multiple speed combinations. AlI-steel Bridge Tender’s Shack finished in bright colors. Set builds such models as the Lift Bridge, Windmill Pump, Airplane Beacon, Pile Driver, Delivery Truck, Hoist, Elevator and scores of others. Also included in set is extraordinary Magic-Twist flexible coupling that enables you to transmit power from the motor to the model in bends, twists and loops. Box is 18" long x 10" wide x 3" high. Big illustrated book describes in step·by-step fashion how to put together models.

Price in 1952: Unlisted
It's easy to understand why this big ERECTOR set, with its gleaming array of more than 350 parts, has consistently remained one of the most popular ever made. Jam-packed with Girders, Gears, Pinions, Wheels, Plates, Bolts, etc., it has a double tier of trays nested in a sturdy hinged—cover cardboard box. Powerful Electric Engine gear train runs in forward and reverse, has multiple speed combinations, All-steel Bridge Tender's Shack finished in bright colors. Set builds such models as the Lift Bridge, Windmill Pump, Airplane Beacon, Pile Driver, Delivery Truck, Hoist, Elevator and scores of others. Also included in set is extraordinary Magic-Twist flexible coupling that enables you to transmit power from the motor to the model in bends, twists and loops. Box is 18" long x 1O" wide x 3" high. Big illustrated book describes in step-by-step fashion how to put together models.

Price in 1954: $13.95
More than 350 parts, including Girders, Gears, Pinions, Wheels, Plates, Bolts, and many more. Powerful Electric Engine has multiple speed combinations. Set builds such models as the Lift Bridge, Windmill Pump, Airplane Beacon, and scores of others. Has Magic-Twist flexible coupling. Box is 18” long x 10" wide x 3" high.

Price in 1955: $14.95
The Electrical Engine Set Build the Thrilling Airplane Ride, Lift Bridge, Windmill, Pump, Pile Driver, Delivery Truck and scores of others. Big, heavy gauge steel chest has more than 325 parts including Girders, Gears, Pinions, Wheels, Plates, Bolts, etc. Powerful electric motor, for putting many models into action, runs in forward and reverse, has multiple speed combinations. Illustrated building book. Chest is 18" long, 10" wide, 3" high.