It provides guidelines for GMs who want to allow PCs to invent stuff during the campaign. These cover realistic innovations at the inventor’s tech level or one higher.
Things to consider:
- Required Skills
- Time Required
- Testing and Bugs
"Gadgeteering" is a subsection in Technology and Artifacts (Chapter 17) of the Basic Set that gives advice on how to relax the New Inventions rules to allow the cinematic creation of devices that are far ahead of their time.