Boy's Hands Are Assembling the Wing of Aircraft Model. Hands Close Up. People at Aircraft Model Sports Competition Outdoors. Green Field in Konotop, Sunny Summer Day, Ukraine. Blurred People and Car on a Background. Preparation For Launching the Airplane Models. Kids' Technical Art. Models Assembly Before the Start. Airplane Launching. Estimation of the Aircraft Flight. Jury is Estimating the Start and Flight of the Airplane Model. Scene in Cloudy Summer Day.