What to do with Altoid tins

The Hubby and I quit smoking in January and apparently have substituted Altoids instead! I have a few more of these little tins lying about and I am baffled as to what I can do with them. I don't really need any more organizing boxes for the junk drawer and I already have my nails, screws, bolts and nuts put away neatly so I'm relying on you folks to come up with a clever idea!
Probably have a dozen of these and no end of this surplus in sight! Looking forward to your ideas.
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