I ordered a ‘Cheerson CX-10A CX10A Headless Mode 2.4G 4CH 6 Axis RC Quadcopter RTF’ from BG on Boxing day and today it arrived along with a few spares.
When the rotor guards were attached they striped the motor wires 
Luckily I had a pair of motors and all was good once these were fitted, though the wires are damaged on the others.
I’m not quite sure what the ‘headless’ function actually does anything because it still seemed to fly in the same direction when activated.
One motor replaced:
