PT109, radio control kit. No70818. Model builds up into a 15 inch long replica of the famous patrol torpedo boat skippered by J.F Kennedy, later to become president of the U.S.A. Kit includes Detailed PT boat model boat kit with one piece hull Electronic speed control Special motor Brass prop shaft Rudder control rod and linkage Building and operating instructions Requires 2 channel radio to complete, (transmitter, steering servo and reciever)