A flying toy comprising: a fuselage; a first propulsion unit, having a first motor and a first propeller system having a first rotor and rotated by the first motor; a second propulsion unit, having a second motor and a second propeller system having a second rotor rotated by the second motor; the first propeller system being driven by a first rotor shaft of said first motor with which a first set of main blades is mounted; the second propeller system being driven by a second rotor shaft of said second motor with which a second set of main blades is mounted; a first auxiliary rotor driven by the rotor shaft of the first rotor for rotation in the sense of rotation of the first rotor, the first auxiliary rotor being mounted such that the generally longitudinal axis of the first auxiliary rotor is located at an angle relative to a generally longitudinal axis one of the main blades of the first rotor, and wherein the generally longitudinal axis of the first auxiliary rotor is along a center line of the first auxiliary rotor passing to the rotor shaft of the first rotor, and wherein the first auxiliary rotor is mounted in a swinging relationship on a first oscillatory shaft and performs a swinging motion about the first auxiliary shaft, such that the swinging motion of the first auxiliary rotor controls the angle of incidence of at least one of the main blades of the first propeller system; and a second auxiliary rotor driven by the rotor shaft of the second rotor for rotation in the sense of rotation of the second rotor, the second auxiliary rotor being mounted such that the generally longitudinal axis of the second auxiliary rotor is located at an angle relative to a generally longitudinal axis one of the main blades of the second rotor, and wherein the generally longitudinal axis of the second auxiliary rotor is along a center line of the second auxiliary rotor passing to the rotor shaft of the second rotor, and wherein the second auxiliary rotor is mounted in a swinging relationship on a second oscillatory shaft and performs a swinging motion about the second auxiliary shaft, such that the swinging motion of the second auxiliary rotor controls the angle of incidence of at least one of the main blades of the second propeller system; characterized in that said fuselage has a first wing and a second wing attached to and extending from opposite sides of the fuselage, in that said first propeller system is mounted with said first wing, and in that said second propeller system is mounted with said second wing. a fuselage; a first propulsion unit, having a first motor and a first propeller system having a first rotor and rotated by the first motor; a second propulsion unit, having a second motor and a second propeller system having a second rotor rotated by the second motor; the first propeller system being driven by a first rotor shaft of said first motor with which a first set of main blades is mounted; the second propeller system being driven by a second rotor shaft of said second motor with which a second set of main blades is mounted; a first auxiliary rotor driven by the rotor shaft of the first rotor for rotation in the sense of rotation of the first rotor, the first auxiliary rotor being mounted such that the generally longitudinal axis of the first auxiliary rotor is located at an angle relative to a generally longitudinal axis one of the main blades of the first rotor, and wherein the generally longitudinal axis of the first auxiliary rotor is along a center line of the first auxiliary rotor passing to the rotor shaft of the first rotor, and wherein the first auxiliary rotor is mounted in a swinging relationship on a first oscillatory shaft and performs a swinging motion about the first auxiliary shaft, such that the swinging motion of the first auxiliary rotor controls the angle of incidence of at least one of the main blades of the first propeller system; and a second auxiliary rotor driven by the rotor shaft of the second rotor for rotation in the sense of rotation of the second rotor, the second auxiliary rotor being mounted such that the generally longitudinal axis of the second auxiliary rotor is located at an angle relative to a generally longitudinal axis one of the main blades of the second rotor, and wherein the generally longitudinal axis of the second auxiliary rotor is along a center line of the second auxiliary rotor passing to the rotor shaft of the second rotor, and wherein the second auxiliary rotor is mounted in a swinging relationship on a second oscillatory shaft and performs a swinging motion about the second auxiliary shaft, such that the swinging motion of the second auxiliary rotor controls the angle of incidence of at least one of the main blades of the second propeller system;