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http://www.instructables.com/id/How-to-build-an-LED-Planetarium/
Sunday, May 31, 2009
Pinhole Planetarium
The dollar store is your friend for cheap diy projects.
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http://www.instructables.com/id/How-to-build-an-LED-Planetarium/
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http://www.instructables.com/id/How-to-build-an-LED-Planetarium/
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