If you have little ones and they are up early on Xmas morning (and what child isn’t? 🙂) and the weather is clear then point them towards the heavens at the times below. With a bit of patience and luck they’ll see a little light speeding through the sky: Santa’s sleigh heading home!
5:16, low in the sky travelling SE to E for 2 minutes.
6:49, higher in the sky travelling W to E for 6 minutes.
These are London times but you can check for times near you.
(it is, of course, the International Space Station)