Exquisite Sewing Supplies

I have an infatuation with small, cute storage containers and retro graphics so I could not resist this sewing tin:

(order one for yourself {here})

But in a studio space filled with jars, baskets, tins, and bins…I’m not sure what to use it for.

The instructions inside indicate that I should use it to store small treasures, keepsakes, and curiosities.

What would you put in it? It measures 7.25″ x 5.5″ x 3.5″ – not too big and not too small.