Looking or ideas, what to get groomsman, that don't drink or smoke? I would like something fun. Any Ideas?

I'm getting married in June, so I'm been looking for groomsmen gifts. All I come a find are thing that have to do with drinking and smoking. I wanted to find something that is different and that is fun. Something that they can really use. I have 7 guys to buy for ages from 16 to 30. I trying to keep to price to about 50 per guy. Does anyone have any cool ideas?