Tinkertoy
Overview
 

The Tinkertoy Construction Set was created in 1914—one year after the A. C. Gilbert Company
A. C. Gilbert Company
The A. C. Gilbert Company was an American toy company, once one of the largest toy companies in the world. It is best known for introducing the Erector Set to the marketplace....

's Erector Set
Erector Set
Erector Set is the trade name of a toy construction set that is popular in the United States.It consists of collections of small metal beams with regular holes for nuts, bolts, screws, and mechanical parts such as pulleys, gears, and small electric motors.The brand name is currently used for...

—by Charles H. Pajeau and Robert Pettit in Evanston, Illinois
Evanston, Illinois
Evanston is a suburban municipality in Cook County, Illinois 12 miles north of downtown Chicago, bordering Chicago to the south, Skokie to the west, and Wilmette to the north, with an estimated population of 74,360 as of 2003. It is one of the North Shore communities that adjoin Lake Michigan...

. Pajeau, a stonemason, designed the toy
Toy
A toy is any object that can be used for play. Toys are associated commonly with children and pets. Playing with toys is often thought to be an enjoyable means of training the young for life in human society. Different materials are used to make toys enjoyable and cuddly to both young and old...

 after seeing children play with pencils and empty spools of thread. He and Pettit set out to market a toy that would allow and inspire children to use their imaginations. At first, this did not go well, but after a year or two over a million were sold.

The cornerstone of the set is a wooden spool roughly two inch
Inch
An inch is the name of a unit of length in a number of different systems, including Imperial units, and United States customary units. There are 36 inches in a yard and 12 inches in a foot...

es (5 cm
Centimetre
A centimetre is a unit of length in the metric system, equal to one hundredth of a metre, which is the SI base unit of length. Centi is the SI prefix for a factor of . Hence a centimetre can be written as or — meaning or respectively...

) in diameter with holes drilled every 45 degree
Degree (angle)
A degree , usually denoted by ° , is a measurement of plane angle, representing 1⁄360 of a full rotation; one degree is equivalent to π/180 radians...

s around the perimeter and one through the center.
 
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