OMP Hobby M4 RC Helicopter Frame Motor ESC Servo Combo KitOMP Hobby M4 RC Helicopter Combo kit ***Note that both versions 'Kits' and 'Combo Kits ' come in kit form and require assembly. This heli is intended for experienced RC heli fliers and required a degree of skill and experience to assemble, setup and fly. *** Combo kit Contents: Airframe, main motor, 385mm main blades, 71mm tail blades, 3 OMPHobby metal gear cyclic servos, one OMPHobby metal gear tail servo, and ESC.