The world’s largest model railway exhibit — on display in Germany of course — is quite the attraction. The huge Miniatur Wunderland features towns and trains from Germany, Switzerland, Austria, and even a little America. And it’s all on Google Maps.

[Frank] accepted the challenge to build a tiny Google Streetview train, capable of traversing the entire Wunderland. It features a fish-eye camera on both the front and rear car, and is powered by an Arduino — the Wattuino Nanite 85. He upgraded the train to use tiny stepper motors to allow for precise movement along the tracks to get all the shots in perfect Streetview fashion.
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