Yo-Yos by John, Kevin and Minna

YO! We love yo-yos! When we're doing tricks, one of the most important things to master is making our yo-yos "sleep." Sleeping is when you throw the yo-yo just right, let it reach the end of the string and spin it around the axle. It just sort of hangs out there. Since we want to master our tricks, we asked this DragonflyTV question: How does the length of the yo-yo string affect its "sleeping time?" more...