The Widget was the Matoran currency of Mata Nui that was employed shortly after the Bohrok were first shut down, many of which were stripped down for parts and the Widgets from the Bohrok were used as the currency afterwards. It took place of bartering and trading on the island. The currency was based on the protodermic currency originally used in Metru Nui.
- Mata Nui Online Game II: The Final Chronicle (First appearance)
- BIONICLE Encyclopedia (Mentioned only)
- BIONICLE Encyclopedia Volume 2 (Mentioned only)
- Takanuva's Blog (Mentioned only)
- The Kingdom (Used in the Kingdom alternate universe only)
- Federation of Fear (Mentioned only)
- Dark Mirror (Mentioned only)