Think of all of the random objects we use everyday. Craft items, tools, utensils. Or think of all of the knick-knacks that we all seem to accumulate over the years: decorative boxes, resin figures, dolls, toys.
Now imagine that you are an archaeologist a thousand years in the future, and you are examining these odds and ends. You do not know what they are, how they were used, or why people had them. It is your job to figure out the reason behind, let's say, the infamous rubber duck.
Write about a few of these items, re-imagining their uses and purposes.