Duplo or Lego always worked for my lot at that age. I'm lucky as I am a Crafter & letting them choose something from 'Grandma's room' always kept them quiet- they are not allowed in alone ( guillotines etc!).
They have always loved being read to as well- which sometimes gets them to drop off for a bit!
Lest we forget what we have just lost ....
. Usually get an hour with my feet up that way. It's not something he does every day, others have different routines, but he knows he does with me and now expects it.