Nothing makes a man happier than finishing a job that takes less than half an hour that he's been putting off for fifteen years. Figure out what the easy project is. . . and then buy the relevant tool. Outdoor projects are best.
I recommend you to buy wine , beer, and also some fashion costumes. it will definitely make the man happy ,satisfy , and cheer him up... According to me...
Your best bet will probably be something that relates to his interests and hobbies. For instance, if he's a big sports fan, something with his favorite team's logo on it might be just the thing.