Amazing! World's Smallest Working Model Train

Measuring a tiny eighth of an inch by quarter of an inch, this carefully crafted piece of engineering is the world's smallest working train model.

The five-carriage train, which is 35,200 times smaller than a real train, nips around an oval route even taking in a ride through a tunnel on its three-quarter inch track.

Created by New Jersey train enthusiast David Smith, the miniscule model was built using nothing more fancy than a craft knife and a steady hand.

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