Reddit – Dive into anything

I wanted to get my boyfriend a gift for his birthday and I know he really wants to start gaming on pc, but doesn’t have a mouse and doesn’t like spending money, so I thought I’d surprise him with one for his birthday. I don’t know much about gaming so I thought I’d ask for recommendations. I can’t afford anything more than 30-40 dollars and his hands are about 18cm, if that helps narrow it down. I don’t really know what kind of mouse grip he would use, but I think his favorite video games are terraria and dead by daylight, if that helps at all. Does any one have any recommendations?