The plane can go up & down by adjusting the turning speed of the motor. The direction can be changed by the rotational speed of the left & right propeller. The airframe is made of epp material, which can resist against most crashes so that the plane is not easily damaged. The propeller is made of special solid material, which enable the plane to land on the ground safely. Package:6pcs Carton size:59x59x44cm Box size:37x48x10cm G.W.:8.5kg N.W.:6.6kg