Image Item No. Description  55306  Bionicle Mask from Canister Lid (Piraka Hakann) - Set 8901 Catalog: Parts: BIONICLE  55180  Bionicle Mask from Canister Lid (Piraka Thok) - Set 8905 Catalog: Parts: BIONICLE  55305  Bionicle Mask from Canister Lid (Piraka Vezok) - Set 8902 Catalog: Parts: BIONICLE  55304  Bionicle Mask from Canister Lid (Piraka Zaktan) - Set 8903 Catalog: Parts: BIONICLE