The Wonder Sphere™ Magic Hover Ball is the most incredible flying toy to ever hit the skies! Simply shake and toss to initiate flight. The Wonder Sphere™ is capable of performing all kinds of tricks and stunts with a simple flick of the wrist. Master the 180-degree boomerang maneuver and other cool tricks as you impress your friends and family! The Wonder Sphere™ Magic Hover Ball is fully assembled out of the box. We suggest you charge the magic hover ball first, before you start to play. You don’t need to worry about purchasing any batteries for The Wonder Sphere™, because there is a rechargeable Li-poly battery built into it and USB cord included.