Dollhouse decorating (see more at The Gates' Post)
and some egg-breaking (for eggs-in-a-bag). You can see the how-to on internet. Just google something like eggs-in-a-bag! Great fun and tasty, too.
All of our grandchildren live many miles away. So we have to cram a lot of lovin' and activity into a few, short days at a time. Well, sometimes they feel like l-o-n-g days...and we fall to sleep easily at night to recoup energy for the next short day.