A basic and light-on-detail ‘unboxing’ type video on the ‘Skywalker Saga’ 4K / UHD box set, at Nerdist (4 minutes long):-
No doubt there’ll be other ‘unboxing’ videos appearing soon - and hopefully in more detail; especially as to the bonus content - whether it is in 4K, HD or SD, as well as any surprises etc.
Edit: another couple of ‘unboxing’ type video for ‘The Skywalker Saga’ 4K / UHD box set:-
https://www.youtube.com/watch?v=dh_k_eFMWnM - at the Arctic Ninja Network youtube channel. (11 minutes long)
https://www.youtube.com/watch?v=5oi1CmEWP20 - at the Nick Mayer youtube channel. (8 minutes long)