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.
For kids who will not put marbles into their mouths - Marble Balance Game . Fine motor skill activity using a tub of sand, golf tees and marbles. Children stick golf tees into sand and try to balance marbles onto top of the tees.