Using advanced patented air swimmers technology you can bring the magic of angry birds to lifer air swimmers turbo glide through the air and fly over an hour on a single charge for long lasting remote control indoor fun even in the smallest roomsr the convenient auto swim mode makes it easy for anyone to fly and with no limit on how many can fly at once all of your friends and family can fly toor angry birds air swimmers turbo need 4 aa batteries and helium not included to flyr simply