Great Planes ElectriFly YAK 54 3D EP E-Performance ARF 41 FEATURES: Construction: Laser cut balsa and plywood Wings: Factory covered, built-up wood with oversized ailerons Tail section: Factory covered, built INCLUDES: Pre-built and covered wings, fuselage and tail assemblies, pushrods REQUIRES: The ElectriFly Park Flyer E-Performance Power System includes the following required components in one package Silver Series 35A Brushless