Dwarf Gadget

It's a piece of the advanced technology once known to the dwarves. It's still glowing and humming, but you're unable to understand how it works.
Overview
The Dwarf Gadget is an artifact that can be donated to the Museum. Like other donated artifacts, it counts toward the museum’s total donation tally, and it is one of the required donations for the Burnt Offering reward, which also needs a 
It also has a use in tailoring: the Dwarf Gadget can be placed in the spool of the 
For players working toward museum completion, it is worth keeping in mind that the Dwarf Gadget is specifically tied to the artifact collection rather than to farming, cooking, or crafting progression. Because it contributes to the Museum total, donating it is beneficial if you have no need to keep it for tailoring. If you are aiming for the Burnt Offering reward, make sure to donate it along with the other required artifacts rather than selling it or storing it indefinitely.
In short, the Dwarf Gadget is mainly a museum artifact with a secondary tailoring use, and it has no bundle or quest requirements.
Official description
It's a piece of the advanced technology once known to the dwarves. It's still glowing and humming, but you're unable to understand how it works.