Barraki is a subtheme of Bionicle introduced in 2007 and currently consists of 6 sets. All sets were released in 2007. As of today, the average annual growth of sets in Bionicle Barraki is approximately 8.9% per year.
Most valuable Bionicle Barraki set
8917 Kalmah $199.99
Largest Bionicle Barraki set
8916 Takadox 62 pieces
The Barraki are an alliance of warlords, comprised of Pridak, Kalmah, Mantax, Carapar, Takadox and Ehlek. After being trapped there for a while, they later escaped and sought to claim the Mask of Life, which had inadvertantly wound up in Mahri Nui. After a lengthy ordeal with the Toa Mahri, the Mask of Life was used to revive Mata Nui, with the Barraki failing to fulfill their mission.
6 sets

8916 Takadox

Theme / Subtheme Bionicle / Barraki
Year 2007
Pieces 62
Availability Retired
8916 LEGO Bionicle Barraki Takadox
Retail $9.99
Value $165.61
Growth  +1557.8%
Annual growth 9.6%

8919 Mantax

Theme / Subtheme Bionicle / Barraki
Year 2007
Pieces 58
Availability Retired
8919 LEGO Bionicle Barraki Mantax
Retail $9.99
Value $177.43
Growth  +1676.1%
Annual growth 7.5%

8920 Ehlek

Theme / Subtheme Bionicle / Barraki
Year 2007
Pieces 54
Availability Retired
8920 LEGO Bionicle Barraki Ehlek
Retail $9.99
Value $186.86
Growth  +1770.5%
Annual growth 10.6%

8917 Kalmah

Theme / Subtheme Bionicle / Barraki
Year 2007
Pieces 53
Availability Retired
8917 LEGO Bionicle Barraki Kalmah
Retail $9.99
Value $199.99
Growth  +1901.9%
Annual growth 11.0%

8918 Carapar

Theme / Subtheme Bionicle / Barraki
Year 2007
Pieces 50
Availability Retired
8918 LEGO Bionicle Barraki Carapar
Retail $9.99
Value $95.30
Growth  +854.0%
Annual growth 8.0%

8921 Pridak

Theme / Subtheme Bionicle / Barraki
Year 2007
Pieces 47
Availability Retired
8921 LEGO Bionicle Barraki Pridak
Retail $9.99
Value $142.67
Growth  +1328.1%
Annual growth 10.0%