Flyline R/C Air Racer Complete Flight System (Knight Ghost) Strategically change your three propellers for different velocities and performance, and race your friends at supersonic scale speeds Challenge your friends to ultimate Air Racing competitions! Battle in the air! Use your 2 combat propellers and 2 rolls of streamers to outmaneuver your opponent to slice his planes streamer in fast-paced, aerial dogfight battles! Tangle-free technology for battling and for racing in multi-plane competition. Tangle-free "Magic Rings" allow for competitive multi-plane high performance racing and stunts. Measures: 23.5" x 15" x 4.5"