1) is the flier actually not get broken, unless you go out provided it. Crashes and landings in the tree or on a roof it can not hurt ...
2) The best way to fly in the open air on a large area with no wind - the wind, you can not control the plane well ...
3) The controller does not work as directly as for example when a remote control car. Therefore, you have to practice a little in order to control flight maneuvers.
4) After three to four times practicing well the kids have discovered how to control, right, left flying, leaves the plane to rise higher and higher (only goes in straight flight, in turning flight, he falls again), loops and turns flying.
5) Be sure to adjust the trim on the remote control correctly - then the flier is easy to control.
6) Of course, no model-airplane for professionals - even flight "maneuver" can not be controlled as precisely as the professional makes sure, but for the small airplane "hour" in between, with a trip to picnic etc. on weekends or after Feierabend on a large lawn with the kids a great fun ...