Amazon.com: WATIEOBOO Yoyo Professional Unresponsive Yoyo for Kids and Advanced, Pro Aluminum Metal Yoyo Ball Leopard Head Premium Yoyo with Butterfly Shape That Changes Color(Black and Silver) : Toys & Games
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Amazon.com: Duncan Toys Butterfly Yo-Yo, Beginner Yo-Yo with String, Steel Axle and Plastic Body, Purple (3124BU-ECHAP) : Toys & Games
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Vintage Duncan Butterfly Yo-Yo Orange and White Gold Text Made In USA Yo Yo Yoyo | eBay
Duncan Butterfly : YOYO MOC 3058NP 90's NOS Yo-Yo ORANGE – Fun Box Monster Emporium