Teacher gifts

My DS will be "graduating" from preschool in June. He's been at this Children's Center since he was 4 mos. old and will be going to Kindergarten in the Fall. I know all of the teachers at the Children's Center and would like to give them each a small gift to remember DS--there are about 12 teachers. I'd like to do something homemade or crafty, but I am not a crafty person--ideally DS would be involved in this project.

I was thinking a small flower pot, that DS could paint, with a flower. Does anyone have any suggestions on a relatively simple, gift we could create?

Thanks for your help!
Mel-PA