For the rest, the blade can be adjusted later to the mechanics so that the rashes are bigger and the copter reacts more quickly. You can adjust the Copter his own abilities. The supply of spare parts is very good and the prices are affordable. I would recommend this Copter all other preferred, even for beginners.
What you should observe as a beginner: Hovering at low altitude is much more difficult than to fly at a height of about 1 meter due to the ground effect. Therefore fly the first time in a very large room or hall and bring relatively quickly with hearty courage gas to Copter altitudes. Then the success comes faster than the rumeiern at low altitude, which usually also has defective blades result.