The 735 SET is one of the newest and smallest three-channel radio controlled helicopters on the market. Unlike other micro helicopters this has full 3D flight allowing you to go up and down, forwards and backwards and rotate left and right. It features a super tough light weight frame, and it's counter rotating blades powered by cutting edge micro motors make it very stable and easier to fly. Due to it's tiny size and light weight the helicopter can be flown in any room without the risk of breaking anything! Inside the helicopter is a 3.7v lithium polymer rechargeable battery that charges in around 20 minutes for a 5-8 minute flight time. Flying range approx 10-15m. Only one supplied. Requires 6xAA batteries for transmitter. Age range 8yrs+.