Another fun activity through which the child learns the letter formation is writing in sand.
You can prepare a simple sand tray for practicing writing. I took a plastic lid from a chocolate box and filled it with some clean sand (just enough to cover the bottom).
When the child uses his finger to write letters in sand, his whole arm is moving. He is getting the feel of the roundness or
straightness of the shape of the letter.
When the child is just beginning to learn to write letters he can see the letter that he wrote and compare it to the one that he is looking at.
Later on this exercise can be used to check if the child remembers how to write a certain letter (instead of writing with pen/pencil on paper). That is what I am doing with Ania: