
The Vahki BIONICLE are robotic order enforcement squads designed by Nuparu to help keep the peace in Metru Nui, and were produced en masse by the city's Po-Matoran. They could transform from a biped to a quadruped state and were programmed with one directive to stop lawbreakers by any means.
Vahki was introduced in 2004 and currently consists of 6 sets.
Summary
Bionicle Vahki Vorzakh set 8616 was released in August 2004, retailing for $9, but has since been retired. New, unopened Vorzakh sets are valued at $35, while used sets can be found for $6 in good condition.
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