Our kids (aged 10, 9, 7 and 6) loved it. The younger ones were a little scared at the chase scenes (but it doesn’t take much to scare them).
The funny parts worked and got laughs out of the whole family and it was silly without being mindless or crass.
Decent story arc for kids. Overall, it worked for our children :)
It takes artistic license with the Christmas story, but I as an animated kids story, I think it works fine.