How do you teach child write words?

Do you know how to teach young childs write words and what kind pencil they use? Let me tell you some points that you need know.
frist, you must choice the big and trnigel pencil , you can buy it in a sationery store .next ,when you are teaching the word before, don`t forget let them kewn waht is mean and waht shape is it like? also you can let childs use the finger draw on table .last ,you can let them they try to write it . 
From my experience ,for 5 years age childs they can start write and get a lot of  self- confident than 4 ,even the words not really very well and sometimes looks like pictures,but they can do it better and better.