just got a nano falcon channel A helicopter for my son.
Guinness World Records™ Smallest RC Helicopter!
Smaller than 82mm and weighs less than 11g, this 3 channel indoor helicopter flies up and down; forward and backward; left and right. Built-in Gyro Stabilizer makes flying easier. Precise variable speed rotor delivers excellent flying control. Pre-selected tri band system. Slim design for transmitter.