"I wanted it to be a game with no end, like an Erector Set, " he says.

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Gilbert introduced his Erector Set at the 1913 New York Toy Fair and had an instant hit.

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Peach County, Georgia (CNN) -- The strange, twisted metal Erector Set-looking apparatus is known in farming circles as a pivot.

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Gilbert , inventor of the Erector Set, was also a professional magician, Yale Med School grad, Olympic athlete and big-game hunter.

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Gilbert, the inventor of the Erector Set, was also a professional magician, a graduate of Yale Medical School, an Olympic athlete and a big-game hunter.

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"It's like a giant erector set, " says Southern's Miller.

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In addition to trains, the auction includes a mind-boggling catalog labeled "art and automobilia" that offers everything from a mint condition pedal car version of a 1923 Packard Deluxe Doctor's Coupe to a 1929 erector set designed to make a model zeppelin.

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In 1940 Donald Bailey of Britain's Royal Engineers used his Erector Set to design the portable Bailey Bridge, which spanned creeks and rivers and was hailed by Eisenhower as one of the three most important technological advancements of the war, along with radar and heavy bombers.

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