Itâs apparent that planes and helicopters have fulfilled the human desire to aviate, but human flight plane toy “No. Mozi” is giving wings to the desire. Experts dismiss the idea as impractical, but the flying story goes beyond critics. “No. Mozi” is a pedal powered flight plane toy with 27.4 meters of wingspan, 6.8 meters length, 42 kg empty weight and the ability to carry up to 65 kg. In its maiden test flight, it covered 126 meters, 2.6 meters above the ground, at 7 m / sec.