The Jade Statue Selection Kit provides a choice between a new level 1 Jade Statue building or a Jade Statue Upgrade Kit.
The Jade Statue produces coins. When motivated, its coin production is doubled and additionally produces FP and goods and from levels 3 also guilds goods.
The Jade Statue can be upgraded by Jade Statue Upgrade Kit item. To upgrade the Jade Statue, use the Jade Statue Upgrade item on the Jade Statue that is already situated in your city. Its upgraded version will then be placed directly on the same spot in your city and the production timer will not be reset. Note that the upgraded building will be from your current era, even if the old one was from one of the earlier ages.