The Penetrator is a model rocket kit from Quest with their own Quick Kit Motor-Mount/Fin-Unit, making the construction of these rocket easier and faster. New $10.69 (33% off). Flying 700 feet into the air, the Penatrator is a tall rocket that will amaze you to watch it fly again and again. Features: * Quest Quick Kit motor mount/fin-unit. * Plastic nose cone with plastic fins. * Shock cord and dependable parachute recovery system.