Click n' Play RC Remote Control Car Replacement Transmitter Antenna for RC Car Truck Boat Airplane Radio System Replacement telescoping antenna for the click n' play land & water amphibious rc remote control car, model number cnp0351 and cnp0350. Compatible with many other brands. Made of heavy stainless steel. Ideal for rc car truck boat airplane radio system. 16 inches long when fully opened. 4. 2 inches when collapsed.