Guides

Learn to yo-yo: string it, wind it, throw a sleeper, fix string tension, and work through your first 100 tricks with links to free video tutorials.

A cited guide to yo-yo gear and maintenance: bearings, string, response pads, lube, mods, cleaning and polishing, with low-cost DIY options.

How yo-yos work: the physics, math, design and patents behind them, plus free 3D-printable designs and DC-area makerspaces. Every fact cited.

A sourced timeline of the yo-yo, from ancient Greek vase paintings to Pedro Flores, Duncan and today's world contests, with DC-area connections.

The story of Pedro Flores, Duncan's Filipino yo-yo demonstrators, Joe Radovan, and DC-area TV performer Tommy Reyes, from Robert Reyes's history exhibit.

A cited guide to yo-yo collecting: vintage brands, modern limited runs and prototypes, condition and value, safe trading, storage and museums.

Free classroom yo-yo resources: physics and math activities, 41 printable worksheets, and student coding projects for teachers and homeschoolers.