Teach children how to hold a pencil correctly - Tear a tissue in half and ask the child to hold it in their and finger. Give the child a pencil and as long as they keep hold of the tissue, they will hold the pencil correctly.
A simple straw-threaded shoestring necklace. About as basic as it gets for kids crafts. And great for fine motor. Great for a math center too! write numbers on them or and have kids thread them in the right order!