BEWARE OF THE KNOCKOFFS! We sell only the REAL ORIGINAL PRODUCT from William Mark Corp. Generic Air Swimmers are low quality – the remote controls do NOT work as well. Beware the GREEN box – only buy the BLUE box.****Air Swimmers swim through the air with incredibly smooth and life-like swimming motion. These amazing fish provide hours of remote control indoor fun in even the smallest of rooms (not for outdoor use). They require only four AAA batteries (one in the body- three in the controller) and have complete up- down and 360 degree turning control. The Bass is remote infra-red controlled and will respond to your inputs moving up and down most importantly left to right with fish like tail movement. Remote control has never come to life so magically! The helium filled fish body is made from durable nylon. The William Mark Corporation has been dedicated to developing unique- high-quality products for extraordinary flight.****Product Features*** Life-like movement of a real Bass fish with bobber in tow! *** No lake needed- just helium and batteries! *** Steers in any direction! *** Remote control is infrared. ****