sky viper drone wont fly!!

[eire]

I didnt know where to post this seeing theres so many places on this forum so thought id post here. Santa brought my son a new sky viper drone and after p;laying with it for a few hours, now it wont fly When charged up and he goes to use it, its just fliping over   I have one very disappointed kid here today and is calling santa all sorts lol.  Would anyone know why this is?

[apollo7]

have the props been removed and then refitted, if so you have them on wrong motors. Just a possibility

[eire]

have the props been removed and then refitted, if so you have them on wrong motors. Just a possibility

Not the propellers but the blade protectors underneath fell off and my son put them back on. They look to me that they where installed correctly back on

[atomiclama]

Pictures and vids would help.

[eire]

Pictures and vids would help.

How can I post videos here

[eire]

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[ched]

Props look OK, well unless he removed al 4 and put them back wrong.
Check that all props rotate easily, i.e. none are stiffer than any other.
Have a look at the instructions and see if there is any calibration setup, sometimes it is a 'move the transmitter sticks' in a certain way.

[tryhardfpv]

Not sure if it would make much difference but the prop guards look to be upsidedown.