Easy: Made with basic tools and skills. Miter box, hand saw, fret saw, electric hand drill and bits, hammer, soldering iron, screwdrivers, fret cutter, etc.
Intermediate: A few specialized tools and skills required. Drill press, specialized drill bits, spoke shave, needle files, etc.
Advanced: Specialized tools and skills required. Router, trim router, various router bits, microplane rasp, scroll saw, etc.
Estimated Cost of Parts/Supplies
$: Under 30 dollars.
$$: Between 30 and 100 dollars.
$$$: Over 100 dollars.