629Pcs 2.4G World War II Military Motorcycle Assembly Building Block Construction Kit For Children Wide angle It can understand the principle

It can understand the principle of crankshaft transmission and aviation knowledge through assembly

and the inner size for the coupling of the wheel is 6mm to connect the motor

The output signal is better

Color:Multicolor

Don't throw it into water

629Pcs 2.4G World War II Military Motorcycle Assembly Building Block Construction Kit For Children Wide angle It can understand the principle629Pcs 2. 4G World War II Military Motorcycle Assembly Building Block Construction Kit for Children Features: . High torque high end power group, forward backward left turn right turn and other functions . Building Blocks remote control car World War II military elements, three features as one, more playability . 2. 4G automatic Frequency, super anti interference wireless remote control all round movement . 30 meters super anti interference remote