Advent calendar recommendations

[TheSeasonOfTheWitch]

I'm looking for advent calendar recommendations.... I'll happily look at any suggestions but I do definitely need some for my children, and my best friends children (I'll post them as an early Christmas present from me)
Boy- 12
Girl -9
2 girls (not twins) -7
Boy -3

Any suggestions for any calendars gratefully received (I'll happily peruse any for me and DH too )

VTech Toot Toot or Happyland for the 3yo
Schleich, Hatchimals, Barbie, Lego Friends or Crayola for the 7yos
Smiggle, Tinc or Hama Beads for the 9yo
Match Attax or a fancy chocolate one for 12yo