Originally Posted by
atsak
It depends - probably not but you might be asked to open the box and show they work. If it's commercial purposes (ie you intend to resell them in your home country as opposed to give them away as gifts) then you may need to check there's no export forms required (I do not know if the US requires one, in Canada shipments over $2500 do) to comply with the export associated regulations.
None of this will happen. Will TSA ask that the boxes be put in a bin? It depends on if they're enforcing any of the goofy "pull everything out of your bag today" things that have randomly been in place for a few months. But, the OP won't have to remove them from the box and turn them on.