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The original pinhole Gakken Planetarium has sold 500,000 since its first release in 2005. Now Gakken and its science and engineering built-it-yourself kits series Otona no Kagaku has come up with the Realstar Planetarium. As before, supervised by master planetarium designer Takayuki Ohira, this enhanced version now shows projects the Milky Way and the heavens even more clearly than before.
Once again the heart of the planetarium is a light bulb with a tiny filament, which then turns inside the micro-perforated dodecahedron to cast constellations like the Southern Cross onto your walls.
The Gakken Realstar Home Planetarium features: