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DUNCAN YO YO - THE TOY STORE
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DUNCAN AUTO RETURN YO-YO TYS3038 Fundemonium
Yomega Phantom Brain Yo-Yo | National Museum of American History
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Duncan Imperial Yoyo - Brain Child Learning Center
Yomega Brain Yo-Yo – Purple Cow Toys
Amazon.com: Yomega Brain - The YoYo with a Brain Includes Auto Return Technology - Beginner Level String Trick Yo Yo (Colors May Vary) : Toys & Games
Amazon.com: Yomega The Original Brain - Professional Yoyo for Kids and Beginners, Responsive Auto Return Yo Yo Best for String Tricks + Extra 2 Strings & 3 Month Warranty (Red) : Toys & Games
Yomega Brain automatic return yo-yo
duncan reflex auto return yo-yo (color may vary) - Walmart.com