LEGO Bionicle ORIGINAL TOA Figure #8532 Onua Dark Grey by LEGO. $38.88. Brand	Lego Model	Bionicle Toa Mata Onua MPN	8532  Key Features Theme	Bionicle Series	Bionicle Toa Mata Character	Ouna Recommended Age	7-16 Type	Parts &amp; Pieces  Properties Number of Pieces	30 pieces. Onua is an Earth spirit, and is at home below ground with his huge hands, he scrapes out tunnels in the rocky cliffs over Papu Niho Reef. His low, squat body and head allow him to move quickly in tunnels and his i...