Grow a small plant indoors.
Find a suitable container like a pot.  Fill the pot with potting soil.  Make a small hole in the soil.  Place the small plant into the hole push soil around it.  Water weekly, keep plant in sunlight.
Find a suitable container like a box.  Fill the box with potting soil.  Make a small hole in the soil.  Place the small plant into the hole push soil around it.  Water weekly, keep box in sunlight, with the lid closed