Meccano was invented and developed in 1901 in England by Frank Hornby and manufactured by the British company, Meccano Ltd, between 1901 and 1979. Currently it is manufactured in France and China and the trademark is owned by Spin Master Ltd.
Meccano is a model construction system comprising re-usable, perforated metal strips, plates, angle girders, wheels, axles and gears, with nuts and bolts to connect the pieces. It is a versatile constructional medium enabling the building of a variety of working models and mechanical devices.
The standard hole spacing is ½” or 12.7 mm. The standard thread is 5/32” Whitworth. The diameter of axle rods is 0.160” or 4.06 mm. The module of the gears is DP38.