Great Planes Extra 300SP Radio Controlled Electric-Powered Almost-Ready-to-Fly Sport Aerobatic Plane Strong, performance-designed balsa and plywood airframe. Factory-applied stunning multi-color MonoKote trim scheme reduces assembly time while adding eye-catching looks. Convenient, removable wing panels simplify storage and transport. Includes lightweight, painted fiberglass cowl, landing gear, and wheel pants. Large, magnetically secured hatch provides quick access to the radio compartment.