This variability is indeed not originated from the model kits, it comes from the games.

这种互换可变的做法却并非兴起于模型制作上，而是来自游戏的玩法。

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The Brave Battle Warriors series has been widely popular since its launch in 2007, achieving record-high No. 1 sales for its model kits.

三国传系列自2007年推出以来一直广受大众欢迎，其模型销量更称冠破纪录。

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Other income came from modelmaker Revell, giving him a cut of thousands of scale model kits of his cars sold in the mid-1960s.

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