How rare are these Sonic/Tails Feva UK plushies?

[Cakes57]

I have sonic and tails talking plushies no date on tags produced by Feva uk how rare are these as I live in the U.S. and a salesman had shipped these as a gift for my son. They are still in original package unopened

 

Moderator edit: This was posted in the wrong thread, so it's been split off to its own topic.