1980's - Duncan Toys Jewel, Butterfly, Imperial Yo-Yo Commercial - YouTube
Duncan Toys | The Original. World's #1
Duncan Trick CD - General Yo-Yo - YoYoExpert Forums
Duncan Flying Squirrel yo-yo - Reflexshop
Imperial Yo-Yo from Duncan Toys - YouTube
1950s - Duncan Junior Yo-Yo Post Cereal Commercial - YouTube
Kovács Roland - 5A - XI. Magyar Yo-Yo Bajnokság - Hungarian Yo-Yo Nationals - YouTube
Duncan Echo yo-yo, Duncan=Love edition
YO-YO Tutorial - Giroszkóp (Haladó yo-yo trükk) - YouTube
Duncan Flying Squirrel yo-yo - Reflexshop
Duncan Butterfly yo-yo
Vásárlás: Duncan Butterfly yo-yo Yo-yo árak összehasonlítása, Butterfly yo yo boltok
Duncan Echo yo-yo - Reflexshop
Duncan Toys | The Original. World's #1
Duncan Freehand Zero yo-yo - Reflexshop
New Entry Level Yo-Yos for 2019!
Duncan Flying Squirrel yo-yo - Reflexshop
Duncan Toys | The Original. World's #1
YO-YO Tutorial - Hullámvasút (Haladó yo-yo trükk) - YouTube
Butterfly Yo-Yo from Duncan Toys - YouTube
Duncan Freehand Zero yo-yo - Reflexshop
XI. Hungarian YoYo Nationals 2013 - Magyar YoYo Bajnokság 2013 - YouTube
Museum of Yo-Yo History
Pro Z Yo-Yo from Duncan Toys - YouTube
