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The name of the instrument is called a Hurdy Gurdy.
The Polar Express was released on November 22nd, 2005 nearly a year after its theatrical release. It was available on a single-disc DVD (widescreen and full screen) , & 2-disc special edition DVD. On October 28th, 2008, it was re-released in 3-D on both standard & Blu-ray Disc. Both 3-D versions include 2 pairs (4 each) of glasses. There is also a regular 2-D version of the movie on Blu-ray Disc.
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