an old man is playing with his grandchildren in a library

an old man sitting in a room with a young boy and two other children. the old man is holding a book, and the children are playing with a toy airplane. the old man appears to be reading a book, and the children are excited and happy. the room has a bookshelf with books on it, and there is a white wall behind the old man. the children are playing with the toy airplane on a wooden table. the old man is wearing a blue shirt and glasses, and the children are wearing blue shirts as well. the overall atmosphere is happy and relaxed.