Air-Yo Birdy A great toy for windless days or indoors in big spaces, the Air-YO floats, glides and hovers while tethered to its 35" Control Rod. Put it into orbit around you, crack the yo, or attach another Control Rod and team up with a friend. 33" across, ripstop nylon, graphite frame. Velcro tabs make assembly a snap. 35" case.