Why not surprise him the previous day or during the day when he is checking his email at work, with a cute lovely animated e-card. You have very likely seen how e-cards nowadays even have music and animated style, in which you can deliver your romantic message and make him smile.
Prepare a birthday party and invite his friends and family. Be sure to check his schedule and determine if he is free so that he can truly attend the event. Also, be sure that all the special people in his life can attend such as his mother, father, brother, sister, best friend, closest friends, etc.
Cook up his favorite meal and ask him over for a romantic dinner. You could make him a birthday cake and decorate it with his favorite sports figurines, ask his friends over and throw a surprise birthday party.
Clothing is always a safe choice for a birthday gift. Every man wears them and any man would be thankful to get more. So for a present how about getting your boyfriend some additions to his wardrobe.
If your boyfriend is a video game addict, challenge him to a tournament. After all, it is his special day and he is entitled to do something he absolutely enjoys. Make sure to practice beforehand so at least you can give him a run for his money. Whoever wins gets a prize. Of course, it goes without saying that you should let him win.
Of course, these meanings and ideas are just general guidelines. You know your ex boyfriend better than most people. For example, if he’s always complained that he didn’t have a tool set, then suddenly a tool set becomes a much more personal gift.