The Remote Control Air Swimmers Flying Clownfish comes complete with everything you need to fly it, except for Helium. You will need to fill the Air Swimmers with Helium before it will fly. There are 2 options for obtaining this Helium either buy a helium canister and fill up the Air Swimmers in your own home or take the Air Swimmers to a Helium supplier. In the box there is a tether that can be used to take the Air Swimmer foil back after it is filled up with Helium. Do this before adding the electronics and fins. This item is not for use at altitudes over 4,000 feet. Air Swimmers Extreme is exclusive to Toys "R Us. This model is Radio Control and not to be confused with the IR version of Air Swimmers. Radio Control allows for approximately 50% longer range flying and unlike the basic IR version will still operate even without line of site! The Air Swimmers Clownfish features: * Giant blow-up fish (57inches long and 36 inches tall) * Fish uses 1 x AAA battery (included) * Radio Control Transmitter uses 1 x 9 volt battery(included) * Full instructions for use The most amazing radio-controlled product ever made! Fly the Giant Sized Clownfish around your house or work place and see people"s reactions! Simple to fly the RC controller enables you to make the Clownfish move left, right, and forward with ease. Incredibly manoeuvrable the fish is able to turn in very small spaces, so can easily swim around your house or office. A crash is no problem. Unlike other flying RC products the Clownfish just bounces off walls and other objects without damage.