6 months+- you can start letting your child grab at food like puffs to practice "raking" motion and eye/hand coordination.
11 mo+- use egg crate to help child use index finger and thumb "pincer grasp."

Stacking cups and pulling them apart- let them try as soon as they can sit up and start grabbing at objects.
1 yr+- putting clothespin into bottle and dumping back out.
2 yr+- using turkey baster with water, scooping and pouring. Can also be used with uncooked rice or beans.

1 1/2+-large piece puzzles as soon as they become interested in trying to put them in place and don't put in mouth.

Practice with large crayons, chalk, large paintbrushes.

3 yr+- trying out scissors as well as using a fat pencil to trace name.