Estes introduces the revolutionary Xenox radio-controlled plane with the new M.A.S.C. controller, a break through in R/C technology. Just twist your wrist to the right and the Estes Xenox plane follows your hand and turns right. Twist your wrist to the left and the plane turns left. Control the throttle by squeezing the variable speed trigger for more altitude. Xenox radio-controlled plane with twin engine.