The Original and best-selling string yo-yo of all time is now available is theworlds smallest size ever! A favorite for over 60 years, the Butterfly offersa wide shape that makes landing the yo-yo on the string much easier. It'sgreat for learning the basics of yo-yoing! Worlds Smallest Duncan ButterflyYo-Yo measures 1. 25 inches in diameter. Colors selected at random.