Learning basic sewing with a polystyrene plate, yarn, + plastic needle. I remember doing this with craft mesh when I was a kid and then graduating to sewing buttons by hand onto little pillows and pockets.
Week Science and Math! Skip counting w spiders! Feed the Frog is a fun way to practice counting, sorting, and fine motor skills with pretend play! My little girl had a blast pretending she was in a pond, giving treats to her amiable amphibian friend.
For quiet play time and perhaps to take along to church, or to a function, etc. Use cut-up Dollar Store sponges as blocks during quiet playtime. Takes better fine motor skills to arrange and balance delicate sponges.