Kyosho beautifully built plywood and balsa EDGE 540. All pieces are keyed for a perfect fit and added strength. Each piece has been engineered with weight savings in mind, without giving up durability. The result is approximately a 2.5 lbs plane without radio gear or an engine. 4 channel radio, servos, engine and fuel tank needed for completion. Kit is an ARF and can be ready to fly in a few hours.