The Wonder Sphere 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! Li-poly battery and rechargeable USB cord included. Includes: 2-Magic Hover Balls 2- USB chargers Specifications: Dimensions (L × W × H/D): 8.9 cm × 8.9 cm × 8.9 cm ( 3.5 in. × 3.5 in. × 3.5 in.) Weight.025kg (.05 lb.) Magically Hovers Boomerang Action Zero Gravity Catch Tricks and Stunts STEM Certified.