Nothing! Everything you need to get in the air is included in the box, including four AA batteries for the transmitter.
The amazing Blade® Scout CX™ heli may only weigh a little over half an ounce (17 grams), but it will have you flying circles around other helis like it. State-of-the-art 2.4GHz radio control with advanced Blade engineering and electronics** make it all possible. And it’s so easy to fly, you’ll be able to do it even if you’ve never flown before.
** The included radio system is not compatible with JR 2.4GHz or Spektrum 2.4GHz systems.
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