
Bohrok-Kal is a subtheme of Bionicle introduced in 2003 and currently consists of 6 sets. All sets were released in 2003. As of today, the average annual growth of sets in Bionicle Bohrok-Kal is approximately 8.6% per year.
The BIONICLE Bohrok-Kal was an elite team of six Bohrok that have increased powers and different Krana than the normal Bohrok. Each of the Bohrok-Kal sets had 40 pieces, and when a lever on the back was pressed, the head would go forward and backwards. When the lever was released, the head would go back.