Don't worry, just play with him! Let him take the initiative to play with you, don't teach him how to do it! You can take him slowly when he has a problem. But don't explain it all, mention it bit by bit. You don't have to follow the drawings to play with building blocks. Children sometimes have their own ideas. You should respond positively to his spelling. Remember to deny the child's thoughts. This will dampen his enthusiasm. Finally, he is not interested in this kind of thing.