Amazon.com: Duncan Toys Butterfly Yo-Yo, Beginner Yo-Yo with String, Steel Axle and Plastic Body, Purple (3124BU-ECHAP) : Toys & Games
Duncan Beginner Yo-Yo | National Museum of American History
Throwing ourselves into Yo-Yo Heritage Month | National Museum of American History
Duncan Light-Up Yo-Yo | National Museum of American History
The Duncan Yo Yo plant in Luck,... - Polk County Again | Facebook
Yo-yo - Wikipedia
Heritage: The Duncan Yo-Yo Story - YouTube
Duncan Professional | YoYo Wiki | Fandom
History Company - Duncan Yo-Yo.
Museum of Yo-Yo History
Duncan Imperial | YoYo Wiki | Fandom
Duncan First Yo Yo-Yo - Soft Silicone Body Responsive- Beginner YoYo| YoYoSam
Duncan Genuine Yo-Yo | National Museum of American History
Duncan Freehand 1 | YoYo Wiki | Fandom
What are we doing in the last six years?
A Rich History of a Simple Toy Called the Yo-Yo
YO-YO Legacy Project on Twitter: ""Duncan helped write the history of yo-yos in America nearly 90 years ago. We are pleased to be represented in the Yo-Yo Legacy Project." - Mike Burke,
Museum of Yo-Yo History
Out of this World: A Brief History of the Yo-Yo - The Strong National Museum of Play
Museum of Yo-Yo History
National Yo-Yo Museum Celebrates Toy's Ups and Downs - Antique Trader
