Page "SD Gundam" Paragraph 9
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Bandai retroactively filled in the missing five kits alongside releases of kits with the 300 + numbering.
These retroactive kits were of units from Mobile Suit Gundam SEED Destiny, many being recolours of existing kits.
Additionally, popular SD Gundam kits have been re-released in waves at around the same time as new kits.
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