Using 3 - 4 toothpicks, stick them in the avocado pit. Place in a jar or glass of water, so only the bottom of the point is in the water. It may take a while for the foots to appear. Once there are a fair amount of roots, plant in a pot and place in good bright light. Even a pot person, created out of clay pots .
Children love to work in miniature.
Create a terrarium out of a two gallon soda bottle. Mosses, pebbles for walkways, and bark can spark the imagination.