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.
Strengthen little hands and arms by using a potato smasher! This is just 1 of the 25 occupational therapist-approved fine motor activities you can do with your child, using items from around your house! Could do with peanut butter cookies with adults
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.