Тoy baby hidden letters

The little boy decided to play with you in the game. He drew in his room all the letters of the alphabet and now wants you to find them. Perform this task, at first glance, is not difficult, but when you begin a search, once it becomes clear, it's not that easy! Letters written by different pencils and some of them are so camouflaged that may not be enough time for them to find. Try to find!