Sets in the theme are based on the twelfth season of Ninjago, subtitled Prime Empire. Prime Empire, called Unfinished Adventure Game, is a legendary arcade game programmed and tested 30 years ago. The ninja entered Prime Empire to rescue the people who were captured inside the video game. The Key-Tanas are the collectible items within the sets, and most of the sets are based on the ninja's new vehicles from this season. Arcade Pods were also introduced.
Prime Empire was introduced in 2020 and currently consists of 8 sets. As of today,
71712 Empire Temple of Madness is the most valuable Prime Empire set with an estimated new/factory sealed value of $87.
Summary
Ninjago Prime Empire Cole's Speeder Car set 71706 was released on January 2, 2020, retailing for $10, it has since been retired. New, unopened sets are valued at $13, used ones can be found for $7.
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