Some discolor.

The RARER 20'S A C Gilbert Erector set with a 72 TOOTH GEAR and 4 WHITE TRUCK is a vintage toy manufactured by A.C. Gilbert in the United States. Made of steel, this classic Erector set is a part of the character family of erector toys, known for their durable construction and endless building possibilities. The set features a unique 72 tooth gear and four white trucks, making it a sought-after collectible for toy enthusiasts and collectors alike.