Great quad for learning and for fun flying, altitude hold works well and auto-landing/takeoff also, although manual is way more fun and almost the same.
Beware of my tips about the head-less mode which is a bit confusing in the beginning, just ensure you understand it befora crashing it.
This item can be bought from many shops, yet this is the amazon listing where I bought it from including the cam, spare engines and no custom taxes.
Germany http://amzn.to/2v1C33m
UK http://amzn.to/2uurqD7
Beware that many china stores sell them fairlly cheap, yet without many of the accessories as the camera for instance.