Playing
Know which type of games your boyfriend likes most - Outdoor, Indoor, Digital.
If he is fond of Outdoor or Indoor games buy him a branded kit for that game or a jersey designed by you.
In the case of digital games, present him the latest hit game disc of his favorite genre. Or if you have enough budget, then buy a gaming device like a PlayStation or gaming laptop.
Photography
Reading
Watching/Hearing
Driving
Travelling
Swimming
Music
Writing
Drawing/Painting
Craft
Make up kit
Collection hobbies