Sun Earth and Moon running instrument three ball instrument simulation day and night high school students teaching instrument model male self rotation performance

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  Three-ball instrument (manual)  [Installation-free] three-ball instrument (electric type)  Upgrade AR three-ball instrument (manual)  Upgrade AR three-ball instrument (electric type) [installation-free]]  AR intelligence  Upgrade AR three-ball instrument (manual type) + Moon phase box  Upgrade AR three-ball instrument (manual type) + eight planets  Upgrade AR [installation-free] three-ball instrument (electric type) + Moon phase box  Upgrade AR [installation-free] three-ball instrument (electric type) + eight planets  Moon box 

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• QUANTITY

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• TOTAL COST

  $1660